Finding the Fourth Proportional to 1,251,490.20, 1,876,121.97 and 452,594.13
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Solution
The fourth proportional to 1,251,490.20, 1,876,121.97 and 452,594.13 is: 678,488.57
Step by Step Solution
- Step 1: Write the proportion equation
1,251,490.20 : 1,876,121.97 = 452,594.13 : x - Step 2: Convert to fraction form
1,251,490.20/1,876,121.97 = 452,594.13/x - Step 3: Cross multiply
1,251,490.20x = 1,876,121.97 × 452,594.13 - Step 4: Simplify right side
1,251,490.20x = 849,121,790,786.04 - Step 5: Solve for x
x = 849,121,790,786.04/1,251,490.20 - Step 6: Final answer
x = 678,488.57
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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.