Finding the Fourth Proportional to 1,125,145.26, 1,552,715.02 and 615,836.70
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Solution
The fourth proportional to 1,125,145.26, 1,552,715.02 and 615,836.70 is: 849,862.62
Step by Step Solution
- Step 1: Write the proportion equation
1,125,145.26 : 1,552,715.02 = 615,836.70 : x - Step 2: Convert to fraction form
1,125,145.26/1,552,715.02 = 615,836.70/x - Step 3: Cross multiply
1,125,145.26x = 1,552,715.02 × 615,836.70 - Step 4: Simplify right side
1,125,145.26x = 956,218,893,957.23 - Step 5: Solve for x
x = 956,218,893,957.23/1,125,145.26 - Step 6: Final answer
x = 849,862.62
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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.