Finding the Fourth Proportional to 1,069,470.56, 1,604,989.92 and 861,618.08
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Solution
The fourth proportional to 1,069,470.56, 1,604,989.92 and 861,618.08 is: 1,293,058.81
Step by Step Solution
- Step 1: Write the proportion equation
1,069,470.56 : 1,604,989.92 = 861,618.08 : x - Step 2: Convert to fraction form
1,069,470.56/1,604,989.92 = 861,618.08/x - Step 3: Cross multiply
1,069,470.56x = 1,604,989.92 × 861,618.08 - Step 4: Simplify right side
1,069,470.56x = 1,382,888,333,289.75 - Step 5: Solve for x
x = 1,382,888,333,289.75/1,069,470.56 - Step 6: Final answer
x = 1,293,058.81
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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.