Finding the Fourth Proportional to 1,331,170.65, 1,995,589.58 and 798,125.85
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Solution
The fourth proportional to 1,331,170.65, 1,995,589.58 and 798,125.85 is: 1,196,489.44
Step by Step Solution
- Step 1: Write the proportion equation
1,331,170.65 : 1,995,589.58 = 798,125.85 : x - Step 2: Convert to fraction form
1,331,170.65/1,995,589.58 = 798,125.85/x - Step 3: Cross multiply
1,331,170.65x = 1,995,589.58 × 798,125.85 - Step 4: Simplify right side
1,331,170.65x = 1,592,731,625,798.01 - Step 5: Solve for x
x = 1,592,731,625,798.01/1,331,170.65 - Step 6: Final answer
x = 1,196,489.44
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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.