Home / 1,151,042.41-1,726,721.18-392,680.26

Finding the Fourth Proportional to 1,151,042.41, 1,726,721.18 and 392,680.26

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Solution

The fourth proportional to 1,151,042.41, 1,726,721.18 and 392,680.26 is: 589,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,042.41 : 1,726,721.18 = 392,680.26 : x
  2. Step 2: Convert to fraction form
    1,151,042.41/1,726,721.18 = 392,680.26/x
  3. Step 3: Cross multiply
    1,151,042.41x = 1,726,721.18 × 392,680.26
  4. Step 4: Simplify right side
    1,151,042.41x = 678,049,321,909.91
  5. Step 5: Solve for x
    x = 678,049,321,909.91/1,151,042.41
  6. Step 6: Final answer
    x = 589,074.14

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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.