Home / 1,139,331.33-1,571,025.24-731,279.03

Finding the Fourth Proportional to 1,139,331.33, 1,571,025.24 and 731,279.03

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Solution

The fourth proportional to 1,139,331.33, 1,571,025.24 and 731,279.03 is: 1,008,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,331.33 : 1,571,025.24 = 731,279.03 : x
  2. Step 2: Convert to fraction form
    1,139,331.33/1,571,025.24 = 731,279.03/x
  3. Step 3: Cross multiply
    1,139,331.33x = 1,571,025.24 × 731,279.03
  4. Step 4: Simplify right side
    1,139,331.33x = 1,148,857,805,757.59
  5. Step 5: Solve for x
    x = 1,148,857,805,757.59/1,139,331.33
  6. Step 6: Final answer
    x = 1,008,361.46

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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.