Finding the Fourth Proportional to 1,352,446.12, 1,866,375.70 and 748,834.12
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Solution
The fourth proportional to 1,352,446.12, 1,866,375.70 and 748,834.12 is: 1,033,391.12
Step by Step Solution
- Step 1: Write the proportion equation
1,352,446.12 : 1,866,375.70 = 748,834.12 : x - Step 2: Convert to fraction form
1,352,446.12/1,866,375.70 = 748,834.12/x - Step 3: Cross multiply
1,352,446.12x = 1,866,375.70 × 748,834.12 - Step 4: Simplify right side
1,352,446.12x = 1,397,605,804,898.88 - Step 5: Solve for x
x = 1,397,605,804,898.88/1,352,446.12 - Step 6: Final answer
x = 1,033,391.12
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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.