Why is (1.61803399) considered as golden ratio?

Its considered the “golden ratio” most likely because of the “golden rule”: do unto others as you would have them do unto you. read more

Throughout history, the ratio for length to width of rectangles of 1.61803399 has been considered the most pleasing to the eye. This ratio was named the golden ratio by the Greeks. It's called golden ratio cause it is the divine propo pentagon, pentagram, decagon and dodecahedron. read more

The golden ratio is special. That's why it is also known as the divine proportion, golden mean, or golden section. It’s a powerful number mathematically. For example, in the universe of all ratios, it is the only one where the ratio of the large part to the small is the same as the ratio of the large part to the sum of the large and small. read more