Finding the Fourth Proportional to 1,023,861.75, 1,534,596.80 and 770,327.70
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Solution
The fourth proportional to 1,023,861.75, 1,534,596.80 and 770,327.70 is: 1,154,591.84
Step by Step Solution
- Step 1: Write the proportion equation
1,023,861.75 : 1,534,596.80 = 770,327.70 : x - Step 2: Convert to fraction form
1,023,861.75/1,534,596.80 = 770,327.70/x - Step 3: Cross multiply
1,023,861.75x = 1,534,596.80 × 770,327.70 - Step 4: Simplify right side
1,023,861.75x = 1,182,142,419,519.72 - Step 5: Solve for x
x = 1,182,142,419,519.72/1,023,861.75 - Step 6: Final answer
x = 1,154,591.84
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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.