Home / 1,472,272.88-2,206,834.64-672,355.76

Finding the Fourth Proportional to 1,472,272.88, 2,206,834.64 and 672,355.76

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Solution

The fourth proportional to 1,472,272.88, 2,206,834.64 and 672,355.76 is: 1,007,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,272.88 : 2,206,834.64 = 672,355.76 : x
  2. Step 2: Convert to fraction form
    1,472,272.88/2,206,834.64 = 672,355.76/x
  3. Step 3: Cross multiply
    1,472,272.88x = 2,206,834.64 × 672,355.76
  4. Step 4: Simplify right side
    1,472,272.88x = 1,483,777,981,571.53
  5. Step 5: Solve for x
    x = 1,483,777,981,571.53/1,472,272.88
  6. Step 6: Final answer
    x = 1,007,814.52

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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.