Finding the Fourth Proportional to 1,373,213.68, 1,894,958.98 and 761,330.72
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Solution
The fourth proportional to 1,373,213.68, 1,894,958.98 and 761,330.72 is: 1,050,594.31
Step by Step Solution
- Step 1: Write the proportion equation
1,373,213.68 : 1,894,958.98 = 761,330.72 : x - Step 2: Convert to fraction form
1,373,213.68/1,894,958.98 = 761,330.72/x - Step 3: Cross multiply
1,373,213.68x = 1,894,958.98 × 761,330.72 - Step 4: Simplify right side
1,373,213.68x = 1,442,690,484,613.87 - Step 5: Solve for x
x = 1,442,690,484,613.87/1,373,213.68 - Step 6: Final answer
x = 1,050,594.31
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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.