Home / 1,353,789.28-2,028,690.04-753,926.16

Finding the Fourth Proportional to 1,353,789.28, 2,028,690.04 and 753,926.16

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Solution

The fourth proportional to 1,353,789.28, 2,028,690.04 and 753,926.16 is: 1,129,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,789.28 : 2,028,690.04 = 753,926.16 : x
  2. Step 2: Convert to fraction form
    1,353,789.28/2,028,690.04 = 753,926.16/x
  3. Step 3: Cross multiply
    1,353,789.28x = 2,028,690.04 × 753,926.16
  4. Step 4: Simplify right side
    1,353,789.28x = 1,529,482,491,687.45
  5. Step 5: Solve for x
    x = 1,529,482,491,687.45/1,353,789.28
  6. Step 6: Final answer
    x = 1,129,778.85

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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.