Finding the Fourth Proportional to 1,151,225.11, 1,727,197.30 and 393,084.55
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Solution
The fourth proportional to 1,151,225.11, 1,727,197.30 and 393,084.55 is: 589,749.62
Step by Step Solution
- Step 1: Write the proportion equation
1,151,225.11 : 1,727,197.30 = 393,084.55 : x - Step 2: Convert to fraction form
1,151,225.11/1,727,197.30 = 393,084.55/x - Step 3: Cross multiply
1,151,225.11x = 1,727,197.30 × 393,084.55 - Step 4: Simplify right side
1,151,225.11x = 678,934,573,431.72 - Step 5: Solve for x
x = 678,934,573,431.72/1,151,225.11 - Step 6: Final answer
x = 589,749.62
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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.