Home / 1,491,601.28-2,235,903.75-479,979.72

Finding the Fourth Proportional to 1,491,601.28, 2,235,903.75 and 479,979.72

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Solution

The fourth proportional to 1,491,601.28, 2,235,903.75 and 479,979.72 is: 719,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,601.28 : 2,235,903.75 = 479,979.72 : x
  2. Step 2: Convert to fraction form
    1,491,601.28/2,235,903.75 = 479,979.72/x
  3. Step 3: Cross multiply
    1,491,601.28x = 2,235,903.75 × 479,979.72
  4. Step 4: Simplify right side
    1,491,601.28x = 1,073,188,455,871.95
  5. Step 5: Solve for x
    x = 1,073,188,455,871.95/1,491,601.28
  6. Step 6: Final answer
    x = 719,487.49

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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.