Home / 1,226,746.20-1,836,620.10-1,086,778.20

Finding the Fourth Proportional to 1,226,746.20, 1,836,620.10 and 1,086,778.20

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Solution

The fourth proportional to 1,226,746.20, 1,836,620.10 and 1,086,778.20 is: 1,627,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,746.20 : 1,836,620.10 = 1,086,778.20 : x
  2. Step 2: Convert to fraction form
    1,226,746.20/1,836,620.10 = 1,086,778.20/x
  3. Step 3: Cross multiply
    1,226,746.20x = 1,836,620.10 × 1,086,778.20
  4. Step 4: Simplify right side
    1,226,746.20x = 1,995,998,686,361.82
  5. Step 5: Solve for x
    x = 1,995,998,686,361.82/1,226,746.20
  6. Step 6: Final answer
    x = 1,627,067.35

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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.