Finding the Fourth Proportional to 1,703,121.69, 2,555,175.63 and 505,072.84
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Solution
The fourth proportional to 1,703,121.69, 2,555,175.63 and 505,072.84 is: 757,755.48
Step by Step Solution
- Step 1: Write the proportion equation
1,703,121.69 : 2,555,175.63 = 505,072.84 : x - Step 2: Convert to fraction form
1,703,121.69/2,555,175.63 = 505,072.84/x - Step 3: Cross multiply
1,703,121.69x = 2,555,175.63 × 505,072.84 - Step 4: Simplify right side
1,703,121.69x = 1,290,549,799,367.01 - Step 5: Solve for x
x = 1,290,549,799,367.01/1,703,121.69 - Step 6: Final answer
x = 757,755.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.