Home / 949,348.12-1,422,449.70-667,488.28

Finding the Fourth Proportional to 949,348.12, 1,422,449.70 and 667,488.28

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Solution

The fourth proportional to 949,348.12, 1,422,449.70 and 667,488.28 is: 1,000,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,348.12 : 1,422,449.70 = 667,488.28 : x
  2. Step 2: Convert to fraction form
    949,348.12/1,422,449.70 = 667,488.28/x
  3. Step 3: Cross multiply
    949,348.12x = 1,422,449.70 × 667,488.28
  4. Step 4: Simplify right side
    949,348.12x = 949,468,503,639.52
  5. Step 5: Solve for x
    x = 949,468,503,639.52/949,348.12
  6. Step 6: Final answer
    x = 1,000,126.81

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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.