Home / 1,493,709.26-2,240,560.47-640,227.50

Finding the Fourth Proportional to 1,493,709.26, 2,240,560.47 and 640,227.50

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Solution

The fourth proportional to 1,493,709.26, 2,240,560.47 and 640,227.50 is: 960,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,709.26 : 2,240,560.47 = 640,227.50 : x
  2. Step 2: Convert to fraction form
    1,493,709.26/2,240,560.47 = 640,227.50/x
  3. Step 3: Cross multiply
    1,493,709.26x = 2,240,560.47 × 640,227.50
  4. Step 4: Simplify right side
    1,493,709.26x = 1,434,468,428,306.93
  5. Step 5: Solve for x
    x = 1,434,468,428,306.93/1,493,709.26
  6. Step 6: Final answer
    x = 960,339.78

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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.