Home / 1,412,178.72-1,948,819.68-767,600.43

Finding the Fourth Proportional to 1,412,178.72, 1,948,819.68 and 767,600.43

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Solution

The fourth proportional to 1,412,178.72, 1,948,819.68 and 767,600.43 is: 1,059,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,178.72 : 1,948,819.68 = 767,600.43 : x
  2. Step 2: Convert to fraction form
    1,412,178.72/1,948,819.68 = 767,600.43/x
  3. Step 3: Cross multiply
    1,412,178.72x = 1,948,819.68 × 767,600.43
  4. Step 4: Simplify right side
    1,412,178.72x = 1,495,914,824,360.46
  5. Step 5: Solve for x
    x = 1,495,914,824,360.46/1,412,178.72
  6. Step 6: Final answer
    x = 1,059,295.68

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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.