Finding the Fourth Proportional to 1,010,747.88, 1,516,115.70 and 252,585.45
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Solution
The fourth proportional to 1,010,747.88, 1,516,115.70 and 252,585.45 is: 378,876.65
Step by Step Solution
- Step 1: Write the proportion equation
1,010,747.88 : 1,516,115.70 = 252,585.45 : x - Step 2: Convert to fraction form
1,010,747.88/1,516,115.70 = 252,585.45/x - Step 3: Cross multiply
1,010,747.88x = 1,516,115.70 × 252,585.45 - Step 4: Simplify right side
1,010,747.88x = 382,948,766,336.57 - Step 5: Solve for x
x = 382,948,766,336.57/1,010,747.88 - Step 6: Final answer
x = 378,876.65
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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.