Finding the Fourth Proportional to 1,153,207.20, 1,729,975.88 and 354,555.80
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Solution
The fourth proportional to 1,153,207.20, 1,729,975.88 and 354,555.80 is: 531,884.45
Step by Step Solution
- Step 1: Write the proportion equation
1,153,207.20 : 1,729,975.88 = 354,555.80 : x - Step 2: Convert to fraction form
1,153,207.20/1,729,975.88 = 354,555.80/x - Step 3: Cross multiply
1,153,207.20x = 1,729,975.88 × 354,555.80 - Step 4: Simplify right side
1,153,207.20x = 613,372,982,114.10 - Step 5: Solve for x
x = 613,372,982,114.10/1,153,207.20 - Step 6: Final answer
x = 531,884.45
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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.