Finding the Fourth Proportional to 1,016,169.66, 1,402,316.12 and 557,287.47
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Solution
The fourth proportional to 1,016,169.66, 1,402,316.12 and 557,287.47 is: 769,057.80
Step by Step Solution
- Step 1: Write the proportion equation
1,016,169.66 : 1,402,316.12 = 557,287.47 : x - Step 2: Convert to fraction form
1,016,169.66/1,402,316.12 = 557,287.47/x - Step 3: Cross multiply
1,016,169.66x = 1,402,316.12 × 557,287.47 - Step 4: Simplify right side
1,016,169.66x = 781,493,204,048.24 - Step 5: Solve for x
x = 781,493,204,048.24/1,016,169.66 - Step 6: Final answer
x = 769,057.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.