Finding the Fourth Proportional to 1,156,421.20, 1,734,797.04 and 357,770.92
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Solution
The fourth proportional to 1,156,421.20, 1,734,797.04 and 357,770.92 is: 536,707.50
Step by Step Solution
- Step 1: Write the proportion equation
1,156,421.20 : 1,734,797.04 = 357,770.92 : x - Step 2: Convert to fraction form
1,156,421.20/1,734,797.04 = 357,770.92/x - Step 3: Cross multiply
1,156,421.20x = 1,734,797.04 × 357,770.92 - Step 4: Simplify right side
1,156,421.20x = 620,659,933,014.08 - Step 5: Solve for x
x = 620,659,933,014.08/1,156,421.20 - Step 6: Final answer
x = 536,707.50
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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.