Finding the Fourth Proportional to 1,187,591.28, 1,781,371.86 and 289,034.99
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Solution
The fourth proportional to 1,187,591.28, 1,781,371.86 and 289,034.99 is: 433,548.82
Step by Step Solution
- Step 1: Write the proportion equation
1,187,591.28 : 1,781,371.86 = 289,034.99 : x - Step 2: Convert to fraction form
1,187,591.28/1,781,371.86 = 289,034.99/x - Step 3: Cross multiply
1,187,591.28x = 1,781,371.86 × 289,034.99 - Step 4: Simplify right side
1,187,591.28x = 514,878,797,741.38 - Step 5: Solve for x
x = 514,878,797,741.38/1,187,591.28 - Step 6: Final answer
x = 433,548.82
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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.