Home / 939,149.26-1,408,945.03-747,747.59

Finding the Fourth Proportional to 939,149.26, 1,408,945.03 and 747,747.59

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Solution

The fourth proportional to 939,149.26, 1,408,945.03 and 747,747.59 is: 1,121,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,149.26 : 1,408,945.03 = 747,747.59 : x
  2. Step 2: Convert to fraction form
    939,149.26/1,408,945.03 = 747,747.59/x
  3. Step 3: Cross multiply
    939,149.26x = 1,408,945.03 × 747,747.59
  4. Step 4: Simplify right side
    939,149.26x = 1,053,535,241,710.88
  5. Step 5: Solve for x
    x = 1,053,535,241,710.88/939,149.26
  6. Step 6: Final answer
    x = 1,121,797.45

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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.