Home / 1,204,363.50-1,662,021.63-667,819.50

Finding the Fourth Proportional to 1,204,363.50, 1,662,021.63 and 667,819.50

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Solution

The fourth proportional to 1,204,363.50, 1,662,021.63 and 667,819.50 is: 921,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,363.50 : 1,662,021.63 = 667,819.50 : x
  2. Step 2: Convert to fraction form
    1,204,363.50/1,662,021.63 = 667,819.50/x
  3. Step 3: Cross multiply
    1,204,363.50x = 1,662,021.63 × 667,819.50
  4. Step 4: Simplify right side
    1,204,363.50x = 1,109,930,453,935.78
  5. Step 5: Solve for x
    x = 1,109,930,453,935.78/1,204,363.50
  6. Step 6: Final answer
    x = 921,590.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.