Home / 746,691.20-1,120,034.64-185,725.70

Finding the Fourth Proportional to 746,691.20, 1,120,034.64 and 185,725.70

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Solution

The fourth proportional to 746,691.20, 1,120,034.64 and 185,725.70 is: 278,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,691.20 : 1,120,034.64 = 185,725.70 : x
  2. Step 2: Convert to fraction form
    746,691.20/1,120,034.64 = 185,725.70/x
  3. Step 3: Cross multiply
    746,691.20x = 1,120,034.64 × 185,725.70
  4. Step 4: Simplify right side
    746,691.20x = 208,019,217,538.25
  5. Step 5: Solve for x
    x = 208,019,217,538.25/746,691.20
  6. Step 6: Final answer
    x = 278,588.01

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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.