Home / 1,491,612.76-2,235,921-479,991.24

Finding the Fourth Proportional to 1,491,612.76, 2,235,921 and 479,991.24

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Solution

The fourth proportional to 1,491,612.76, 2,235,921 and 479,991.24 is: 719,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,612.76 : 2,235,921 = 479,991.24 : x
  2. Step 2: Convert to fraction form
    1,491,612.76/2,235,921 = 479,991.24/x
  3. Step 3: Cross multiply
    1,491,612.76x = 2,235,921 × 479,991.24
  4. Step 4: Simplify right side
    1,491,612.76x = 1,073,222,493,332.04
  5. Step 5: Solve for x
    x = 1,073,222,493,332.04/1,491,612.76
  6. Step 6: Final answer
    x = 719,504.77

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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.