Home / 1,491,281.60-2,234,926.56-543,758.72

Finding the Fourth Proportional to 1,491,281.60, 2,234,926.56 and 543,758.72

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Solution

The fourth proportional to 1,491,281.60, 2,234,926.56 and 543,758.72 is: 814,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,281.60 : 2,234,926.56 = 543,758.72 : x
  2. Step 2: Convert to fraction form
    1,491,281.60/2,234,926.56 = 543,758.72/x
  3. Step 3: Cross multiply
    1,491,281.60x = 2,234,926.56 × 543,758.72
  4. Step 4: Simplify right side
    1,491,281.60x = 1,215,260,805,559.60
  5. Step 5: Solve for x
    x = 1,215,260,805,559.60/1,491,281.60
  6. Step 6: Final answer
    x = 814,910.35

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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.