Home / 1,451,439.64-2,002,981.47-798,108.43

Finding the Fourth Proportional to 1,451,439.64, 2,002,981.47 and 798,108.43

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Solution

The fourth proportional to 1,451,439.64, 2,002,981.47 and 798,108.43 is: 1,101,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,439.64 : 2,002,981.47 = 798,108.43 : x
  2. Step 2: Convert to fraction form
    1,451,439.64/2,002,981.47 = 798,108.43/x
  3. Step 3: Cross multiply
    1,451,439.64x = 2,002,981.47 × 798,108.43
  4. Step 4: Simplify right side
    1,451,439.64x = 1,598,596,396,340.79
  5. Step 5: Solve for x
    x = 1,598,596,396,340.79/1,451,439.64
  6. Step 6: Final answer
    x = 1,101,386.76

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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.