Finding the Fourth Proportional to 1,331,059.74, 1,836,821.43 and 758,181.66
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Solution
The fourth proportional to 1,331,059.74, 1,836,821.43 and 758,181.66 is: 1,046,267.33
Step by Step Solution
- Step 1: Write the proportion equation
1,331,059.74 : 1,836,821.43 = 758,181.66 : x - Step 2: Convert to fraction form
1,331,059.74/1,836,821.43 = 758,181.66/x - Step 3: Cross multiply
1,331,059.74x = 1,836,821.43 × 758,181.66 - Step 4: Simplify right side
1,331,059.74x = 1,392,644,320,920.97 - Step 5: Solve for x
x = 1,392,644,320,920.97/1,331,059.74 - Step 6: Final answer
x = 1,046,267.33
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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.