Home / 1,225,538.97-1,838,357.91-426,901.29

Finding the Fourth Proportional to 1,225,538.97, 1,838,357.91 and 426,901.29

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Solution

The fourth proportional to 1,225,538.97, 1,838,357.91 and 426,901.29 is: 640,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,538.97 : 1,838,357.91 = 426,901.29 : x
  2. Step 2: Convert to fraction form
    1,225,538.97/1,838,357.91 = 426,901.29/x
  3. Step 3: Cross multiply
    1,225,538.97x = 1,838,357.91 × 426,901.29
  4. Step 4: Simplify right side
    1,225,538.97x = 784,797,363,260.70
  5. Step 5: Solve for x
    x = 784,797,363,260.70/1,225,538.97
  6. Step 6: Final answer
    x = 640,369.16

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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.