Finding the Fourth Proportional to 1,036,691.18, 1,555,036.77 and 438,327.98
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Solution
The fourth proportional to 1,036,691.18, 1,555,036.77 and 438,327.98 is: 657,491.97
Step by Step Solution
- Step 1: Write the proportion equation
1,036,691.18 : 1,555,036.77 = 438,327.98 : x - Step 2: Convert to fraction form
1,036,691.18/1,555,036.77 = 438,327.98/x - Step 3: Cross multiply
1,036,691.18x = 1,555,036.77 × 438,327.98 - Step 4: Simplify right side
1,036,691.18x = 681,616,118,444.64 - Step 5: Solve for x
x = 681,616,118,444.64/1,036,691.18 - Step 6: Final answer
x = 657,491.97
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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.