Home / 1,288,791.05-1,933,984.88-749,301.20

Finding the Fourth Proportional to 1,288,791.05, 1,933,984.88 and 749,301.20

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Solution

The fourth proportional to 1,288,791.05, 1,933,984.88 and 749,301.20 is: 1,124,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,791.05 : 1,933,984.88 = 749,301.20 : x
  2. Step 2: Convert to fraction form
    1,288,791.05/1,933,984.88 = 749,301.20/x
  3. Step 3: Cross multiply
    1,288,791.05x = 1,933,984.88 × 749,301.20
  4. Step 4: Simplify right side
    1,288,791.05x = 1,449,137,177,949.43
  5. Step 5: Solve for x
    x = 1,449,137,177,949.43/1,288,791.05
  6. Step 6: Final answer
    x = 1,124,415.93

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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.