Finding the Fourth Proportional to 1,125,087.36, 1,552,620.52 and 615,789.72
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Solution
The fourth proportional to 1,125,087.36, 1,552,620.52 and 615,789.72 is: 849,789.79
Step by Step Solution
- Step 1: Write the proportion equation
1,125,087.36 : 1,552,620.52 = 615,789.72 : x - Step 2: Convert to fraction form
1,125,087.36/1,552,620.52 = 615,789.72/x - Step 3: Cross multiply
1,125,087.36x = 1,552,620.52 × 615,789.72 - Step 4: Simplify right side
1,125,087.36x = 956,087,755,277.05 - Step 5: Solve for x
x = 956,087,755,277.05/1,125,087.36 - Step 6: Final answer
x = 849,789.79
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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.