Finding the Fourth Proportional to 1,279,559.62, 1,919,344.85 and 332,861.99
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Solution
The fourth proportional to 1,279,559.62, 1,919,344.85 and 332,861.99 is: 499,294.40
Step by Step Solution
- Step 1: Write the proportion equation
1,279,559.62 : 1,919,344.85 = 332,861.99 : x - Step 2: Convert to fraction form
1,279,559.62/1,919,344.85 = 332,861.99/x - Step 3: Cross multiply
1,279,559.62x = 1,919,344.85 × 332,861.99 - Step 4: Simplify right side
1,279,559.62x = 638,876,944,602.94 - Step 5: Solve for x
x = 638,876,944,602.94/1,279,559.62 - Step 6: Final answer
x = 499,294.40
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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.