Finding the Fourth Proportional to 1,311,731.12, 1,965,892.44 and 591,543.92
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Solution
The fourth proportional to 1,311,731.12, 1,965,892.44 and 591,543.92 is: 886,547.33
Step by Step Solution
- Step 1: Write the proportion equation
1,311,731.12 : 1,965,892.44 = 591,543.92 : x - Step 2: Convert to fraction form
1,311,731.12/1,965,892.44 = 591,543.92/x - Step 3: Cross multiply
1,311,731.12x = 1,965,892.44 × 591,543.92 - Step 4: Simplify right side
1,311,731.12x = 1,162,911,720,255.96 - Step 5: Solve for x
x = 1,162,911,720,255.96/1,311,731.12 - Step 6: Final answer
x = 886,547.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.