Home / 1,377,004.43-1,900,228.38-765,141.44

Finding the Fourth Proportional to 1,377,004.43, 1,900,228.38 and 765,141.44

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Solution

The fourth proportional to 1,377,004.43, 1,900,228.38 and 765,141.44 is: 1,055,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,004.43 : 1,900,228.38 = 765,141.44 : x
  2. Step 2: Convert to fraction form
    1,377,004.43/1,900,228.38 = 765,141.44/x
  3. Step 3: Cross multiply
    1,377,004.43x = 1,900,228.38 × 765,141.44
  4. Step 4: Simplify right side
    1,377,004.43x = 1,453,943,469,500.93
  5. Step 5: Solve for x
    x = 1,453,943,469,500.93/1,377,004.43
  6. Step 6: Final answer
    x = 1,055,874.22

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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.