Home / 833,139.38-1,149,736.02-451,166.60

Finding the Fourth Proportional to 833,139.38, 1,149,736.02 and 451,166.60

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Solution

The fourth proportional to 833,139.38, 1,149,736.02 and 451,166.60 is: 622,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,139.38 : 1,149,736.02 = 451,166.60 : x
  2. Step 2: Convert to fraction form
    833,139.38/1,149,736.02 = 451,166.60/x
  3. Step 3: Cross multiply
    833,139.38x = 1,149,736.02 × 451,166.60
  4. Step 4: Simplify right side
    833,139.38x = 518,722,491,040.93
  5. Step 5: Solve for x
    x = 518,722,491,040.93/833,139.38
  6. Step 6: Final answer
    x = 622,611.90

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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.