Finding the Fourth Proportional to 1,115,647.65, 1,672,489.98 and 442,201.66
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Solution
The fourth proportional to 1,115,647.65, 1,672,489.98 and 442,201.66 is: 662,913.46
Step by Step Solution
- Step 1: Write the proportion equation
1,115,647.65 : 1,672,489.98 = 442,201.66 : x - Step 2: Convert to fraction form
1,115,647.65/1,672,489.98 = 442,201.66/x - Step 3: Cross multiply
1,115,647.65x = 1,672,489.98 × 442,201.66 - Step 4: Simplify right side
1,115,647.65x = 739,577,841,308.14 - Step 5: Solve for x
x = 739,577,841,308.14/1,115,647.65 - Step 6: Final answer
x = 662,913.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.