Finding the Fourth Proportional to 1,151,211.70, 1,727,178.41 and 477,610.84
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Solution
The fourth proportional to 1,151,211.70, 1,727,178.41 and 477,610.84 is: 716,565.97
Step by Step Solution
- Step 1: Write the proportion equation
1,151,211.70 : 1,727,178.41 = 477,610.84 : x - Step 2: Convert to fraction form
1,151,211.70/1,727,178.41 = 477,610.84/x - Step 3: Cross multiply
1,151,211.70x = 1,727,178.41 × 477,610.84 - Step 4: Simplify right side
1,151,211.70x = 824,919,131,229.96 - Step 5: Solve for x
x = 824,919,131,229.96/1,151,211.70 - Step 6: Final answer
x = 716,565.97
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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.