Home / 1,489,251.15-2,235,073.65-769,803.56

Finding the Fourth Proportional to 1,489,251.15, 2,235,073.65 and 769,803.56

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Solution

The fourth proportional to 1,489,251.15, 2,235,073.65 and 769,803.56 is: 1,155,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,251.15 : 2,235,073.65 = 769,803.56 : x
  2. Step 2: Convert to fraction form
    1,489,251.15/2,235,073.65 = 769,803.56/x
  3. Step 3: Cross multiply
    1,489,251.15x = 2,235,073.65 × 769,803.56
  4. Step 4: Simplify right side
    1,489,251.15x = 1,720,567,649,931.27
  5. Step 5: Solve for x
    x = 1,720,567,649,931.27/1,489,251.15
  6. Step 6: Final answer
    x = 1,155,324.04

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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.