Home / 1,377,149.22-1,900,344.75-765,263.10

Finding the Fourth Proportional to 1,377,149.22, 1,900,344.75 and 765,263.10

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Solution

The fourth proportional to 1,377,149.22, 1,900,344.75 and 765,263.10 is: 1,055,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,149.22 : 1,900,344.75 = 765,263.10 : x
  2. Step 2: Convert to fraction form
    1,377,149.22/1,900,344.75 = 765,263.10/x
  3. Step 3: Cross multiply
    1,377,149.22x = 1,900,344.75 × 765,263.10
  4. Step 4: Simplify right side
    1,377,149.22x = 1,454,263,714,453.73
  5. Step 5: Solve for x
    x = 1,454,263,714,453.73/1,377,149.22
  6. Step 6: Final answer
    x = 1,055,995.74

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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.