Finding the Fourth Proportional to 1,242,545.10, 1,862,505.45 and 708,917.10
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Solution
The fourth proportional to 1,242,545.10, 1,862,505.45 and 708,917.10 is: 1,062,626.99
Step by Step Solution
- Step 1: Write the proportion equation
1,242,545.10 : 1,862,505.45 = 708,917.10 : x - Step 2: Convert to fraction form
1,242,545.10/1,862,505.45 = 708,917.10/x - Step 3: Cross multiply
1,242,545.10x = 1,862,505.45 × 708,917.10 - Step 4: Simplify right side
1,242,545.10x = 1,320,361,962,348.19 - Step 5: Solve for x
x = 1,320,361,962,348.19/1,242,545.10 - Step 6: Final answer
x = 1,062,626.99
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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.