Home / 1,720,910.78-2,375,357.50-1,147,949.58

Finding the Fourth Proportional to 1,720,910.78, 2,375,357.50 and 1,147,949.58

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Solution

The fourth proportional to 1,720,910.78, 2,375,357.50 and 1,147,949.58 is: 1,584,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,910.78 : 2,375,357.50 = 1,147,949.58 : x
  2. Step 2: Convert to fraction form
    1,720,910.78/2,375,357.50 = 1,147,949.58/x
  3. Step 3: Cross multiply
    1,720,910.78x = 2,375,357.50 × 1,147,949.58
  4. Step 4: Simplify right side
    1,720,910.78x = 2,726,790,644,474.85
  5. Step 5: Solve for x
    x = 2,726,790,644,474.85/1,720,910.78
  6. Step 6: Final answer
    x = 1,584,504.37

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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.