Finding the Fourth Proportional to 1,176,374.43, 1,622,099.97 and 813,167.73
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Solution
The fourth proportional to 1,176,374.43, 1,622,099.97 and 813,167.73 is: 1,121,275.09
Step by Step Solution
- Step 1: Write the proportion equation
1,176,374.43 : 1,622,099.97 = 813,167.73 : x - Step 2: Convert to fraction form
1,176,374.43/1,622,099.97 = 813,167.73/x - Step 3: Cross multiply
1,176,374.43x = 1,622,099.97 × 813,167.73 - Step 4: Simplify right side
1,176,374.43x = 1,319,039,350,437.97 - Step 5: Solve for x
x = 1,319,039,350,437.97/1,176,374.43 - Step 6: Final answer
x = 1,121,275.09
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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.