Home / 862,049.18-1,291,080.86-832,155.63

Finding the Fourth Proportional to 862,049.18, 1,291,080.86 and 832,155.63

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Solution

The fourth proportional to 862,049.18, 1,291,080.86 and 832,155.63 is: 1,246,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,049.18 : 1,291,080.86 = 832,155.63 : x
  2. Step 2: Convert to fraction form
    862,049.18/1,291,080.86 = 832,155.63/x
  3. Step 3: Cross multiply
    862,049.18x = 1,291,080.86 × 832,155.63
  4. Step 4: Simplify right side
    862,049.18x = 1,074,380,202,273.46
  5. Step 5: Solve for x
    x = 1,074,380,202,273.46/862,049.18
  6. Step 6: Final answer
    x = 1,246,309.65

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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.