Finding the Fourth Proportional to 1,407,805.31, 1,944,375.13 and 954,308.99
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Solution
The fourth proportional to 1,407,805.31, 1,944,375.13 and 954,308.99 is: 1,318,033.58
Step by Step Solution
- Step 1: Write the proportion equation
1,407,805.31 : 1,944,375.13 = 954,308.99 : x - Step 2: Convert to fraction form
1,407,805.31/1,944,375.13 = 954,308.99/x - Step 3: Cross multiply
1,407,805.31x = 1,944,375.13 × 954,308.99 - Step 4: Simplify right side
1,407,805.31x = 1,855,534,672,545.24 - Step 5: Solve for x
x = 1,855,534,672,545.24/1,407,805.31 - Step 6: Final answer
x = 1,318,033.58
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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.