Home / 1,377,135.27-1,900,325.66-765,249.26

Finding the Fourth Proportional to 1,377,135.27, 1,900,325.66 and 765,249.26

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Solution

The fourth proportional to 1,377,135.27, 1,900,325.66 and 765,249.26 is: 1,055,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,135.27 : 1,900,325.66 = 765,249.26 : x
  2. Step 2: Convert to fraction form
    1,377,135.27/1,900,325.66 = 765,249.26/x
  3. Step 3: Cross multiply
    1,377,135.27x = 1,900,325.66 × 765,249.26
  4. Step 4: Simplify right side
    1,377,135.27x = 1,454,222,791,746.14
  5. Step 5: Solve for x
    x = 1,454,222,791,746.14/1,377,135.27
  6. Step 6: Final answer
    x = 1,055,976.72

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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.