Finding the Fourth Proportional to 1,034,689.08, 1,427,856.30 and 581,979
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Solution
The fourth proportional to 1,034,689.08, 1,427,856.30 and 581,979 is: 803,122.79
Step by Step Solution
- Step 1: Write the proportion equation
1,034,689.08 : 1,427,856.30 = 581,979 : x - Step 2: Convert to fraction form
1,034,689.08/1,427,856.30 = 581,979/x - Step 3: Cross multiply
1,034,689.08x = 1,427,856.30 × 581,979 - Step 4: Simplify right side
1,034,689.08x = 830,982,381,617.70 - Step 5: Solve for x
x = 830,982,381,617.70/1,034,689.08 - Step 6: Final answer
x = 803,122.79
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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.