Finding the Fourth Proportional to 1,204,125.18, 1,661,711.43 and 660,310.62
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Solution
The fourth proportional to 1,204,125.18, 1,661,711.43 and 660,310.62 is: 911,238.90
Step by Step Solution
- Step 1: Write the proportion equation
1,204,125.18 : 1,661,711.43 = 660,310.62 : x - Step 2: Convert to fraction form
1,204,125.18/1,661,711.43 = 660,310.62/x - Step 3: Cross multiply
1,204,125.18x = 1,661,711.43 × 660,310.62 - Step 4: Simplify right side
1,204,125.18x = 1,097,245,704,604.39 - Step 5: Solve for x
x = 1,097,245,704,604.39/1,204,125.18 - Step 6: Final answer
x = 911,238.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.