Home / 1,704,404.97-2,555,940.42-638,865.90

Finding the Fourth Proportional to 1,704,404.97, 2,555,940.42 and 638,865.90

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Solution

The fourth proportional to 1,704,404.97, 2,555,940.42 and 638,865.90 is: 958,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,404.97 : 2,555,940.42 = 638,865.90 : x
  2. Step 2: Convert to fraction form
    1,704,404.97/2,555,940.42 = 638,865.90/x
  3. Step 3: Cross multiply
    1,704,404.97x = 2,555,940.42 × 638,865.90
  4. Step 4: Simplify right side
    1,704,404.97x = 1,632,903,176,769.68
  5. Step 5: Solve for x
    x = 1,632,903,176,769.68/1,704,404.97
  6. Step 6: Final answer
    x = 958,048.82

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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.