Home / 1,231,490.39-1,847,122.73-873,198.28

Finding the Fourth Proportional to 1,231,490.39, 1,847,122.73 and 873,198.28

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Solution

The fourth proportional to 1,231,490.39, 1,847,122.73 and 873,198.28 is: 1,309,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,490.39 : 1,847,122.73 = 873,198.28 : x
  2. Step 2: Convert to fraction form
    1,231,490.39/1,847,122.73 = 873,198.28/x
  3. Step 3: Cross multiply
    1,231,490.39x = 1,847,122.73 × 873,198.28
  4. Step 4: Simplify right side
    1,231,490.39x = 1,612,904,386,523.99
  5. Step 5: Solve for x
    x = 1,612,904,386,523.99/1,231,490.39
  6. Step 6: Final answer
    x = 1,309,717.40

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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.