Finding the Fourth Proportional to 1,207,385.42, 1,811,339.49 and 366,000.62
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Solution
The fourth proportional to 1,207,385.42, 1,811,339.49 and 366,000.62 is: 549,080.16
Step by Step Solution
- Step 1: Write the proportion equation
1,207,385.42 : 1,811,339.49 = 366,000.62 : x - Step 2: Convert to fraction form
1,207,385.42/1,811,339.49 = 366,000.62/x - Step 3: Cross multiply
1,207,385.42x = 1,811,339.49 × 366,000.62 - Step 4: Simplify right side
1,207,385.42x = 662,951,376,370.48 - Step 5: Solve for x
x = 662,951,376,370.48/1,207,385.42 - Step 6: Final answer
x = 549,080.16
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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.