Home / 1,238,343.32-1,707,331.91-801,989.66

Finding the Fourth Proportional to 1,238,343.32, 1,707,331.91 and 801,989.66

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Solution

The fourth proportional to 1,238,343.32, 1,707,331.91 and 801,989.66 is: 1,105,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,343.32 : 1,707,331.91 = 801,989.66 : x
  2. Step 2: Convert to fraction form
    1,238,343.32/1,707,331.91 = 801,989.66/x
  3. Step 3: Cross multiply
    1,238,343.32x = 1,707,331.91 × 801,989.66
  4. Step 4: Simplify right side
    1,238,343.32x = 1,369,262,538,266.43
  5. Step 5: Solve for x
    x = 1,369,262,538,266.43/1,238,343.32
  6. Step 6: Final answer
    x = 1,105,721.26

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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.