Finding the Fourth Proportional to 1,086,215.11, 1,629,465.68 and 403,008.97
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Solution
The fourth proportional to 1,086,215.11, 1,629,465.68 and 403,008.97 is: 604,566.52
Step by Step Solution
- Step 1: Write the proportion equation
1,086,215.11 : 1,629,465.68 = 403,008.97 : x - Step 2: Convert to fraction form
1,086,215.11/1,629,465.68 = 403,008.97/x - Step 3: Cross multiply
1,086,215.11x = 1,629,465.68 × 403,008.97 - Step 4: Simplify right side
1,086,215.11x = 656,689,285,347.15 - Step 5: Solve for x
x = 656,689,285,347.15/1,086,215.11 - Step 6: Final answer
x = 604,566.52
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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.