Home / 1,336,684.28-1,844,721.87-763,712.15

Finding the Fourth Proportional to 1,336,684.28, 1,844,721.87 and 763,712.15

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Solution

The fourth proportional to 1,336,684.28, 1,844,721.87 and 763,712.15 is: 1,053,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,684.28 : 1,844,721.87 = 763,712.15 : x
  2. Step 2: Convert to fraction form
    1,336,684.28/1,844,721.87 = 763,712.15/x
  3. Step 3: Cross multiply
    1,336,684.28x = 1,844,721.87 × 763,712.15
  4. Step 4: Simplify right side
    1,336,684.28x = 1,408,836,505,489.72
  5. Step 5: Solve for x
    x = 1,408,836,505,489.72/1,336,684.28
  6. Step 6: Final answer
    x = 1,053,978.51

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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.