Home / 1,251,746.47-1,727,410.14-678,787.10

Finding the Fourth Proportional to 1,251,746.47, 1,727,410.14 and 678,787.10

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Solution

The fourth proportional to 1,251,746.47, 1,727,410.14 and 678,787.10 is: 936,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,746.47 : 1,727,410.14 = 678,787.10 : x
  2. Step 2: Convert to fraction form
    1,251,746.47/1,727,410.14 = 678,787.10/x
  3. Step 3: Cross multiply
    1,251,746.47x = 1,727,410.14 × 678,787.10
  4. Step 4: Simplify right side
    1,251,746.47x = 1,172,543,718,756.59
  5. Step 5: Solve for x
    x = 1,172,543,718,756.59/1,251,746.47
  6. Step 6: Final answer
    x = 936,726.20

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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.