Finding the Fourth Proportional to 1,057,332.38, 1,459,120.14 and 573,897.62
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Solution
The fourth proportional to 1,057,332.38, 1,459,120.14 and 573,897.62 is: 791,979.50
Step by Step Solution
- Step 1: Write the proportion equation
1,057,332.38 : 1,459,120.14 = 573,897.62 : x - Step 2: Convert to fraction form
1,057,332.38/1,459,120.14 = 573,897.62/x - Step 3: Cross multiply
1,057,332.38x = 1,459,120.14 × 573,897.62 - Step 4: Simplify right side
1,057,332.38x = 837,385,568,344.47 - Step 5: Solve for x
x = 837,385,568,344.47/1,057,332.38 - Step 6: Final answer
x = 791,979.50
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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.