Finding the Fourth Proportional to 1,107,186.40, 1,660,524.72 and 433,283.68
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Solution
The fourth proportional to 1,107,186.40, 1,660,524.72 and 433,283.68 is: 649,825.78
Step by Step Solution
- Step 1: Write the proportion equation
1,107,186.40 : 1,660,524.72 = 433,283.68 : x - Step 2: Convert to fraction form
1,107,186.40/1,660,524.72 = 433,283.68/x - Step 3: Cross multiply
1,107,186.40x = 1,660,524.72 × 433,283.68 - Step 4: Simplify right side
1,107,186.40x = 719,478,261,412.57 - Step 5: Solve for x
x = 719,478,261,412.57/1,107,186.40 - Step 6: Final answer
x = 649,825.78
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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.