Finding the Fourth Proportional to 1,127,591.28, 1,691,298.68 and 317,943
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Solution
The fourth proportional to 1,127,591.28, 1,691,298.68 and 317,943 is: 476,889.62
Step by Step Solution
- Step 1: Write the proportion equation
1,127,591.28 : 1,691,298.68 = 317,943 : x - Step 2: Convert to fraction form
1,127,591.28/1,691,298.68 = 317,943/x - Step 3: Cross multiply
1,127,591.28x = 1,691,298.68 × 317,943 - Step 4: Simplify right side
1,127,591.28x = 537,736,576,215.24 - Step 5: Solve for x
x = 537,736,576,215.24/1,127,591.28 - Step 6: Final answer
x = 476,889.62
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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.