Finding the Fourth Proportional to 1,207,790.40, 1,811,689.92 and 366,349.44
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Solution
The fourth proportional to 1,207,790.40, 1,811,689.92 and 366,349.44 is: 549,525.47
Step by Step Solution
- Step 1: Write the proportion equation
1,207,790.40 : 1,811,689.92 = 366,349.44 : x - Step 2: Convert to fraction form
1,207,790.40/1,811,689.92 = 366,349.44/x - Step 3: Cross multiply
1,207,790.40x = 1,811,689.92 × 366,349.44 - Step 4: Simplify right side
1,207,790.40x = 663,711,587,645.65 - Step 5: Solve for x
x = 663,711,587,645.65/1,207,790.40 - Step 6: Final answer
x = 549,525.47
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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.