Home / 1,377,944.25-2,066,782.82-418,408.29

Finding the Fourth Proportional to 1,377,944.25, 2,066,782.82 and 418,408.29

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Solution

The fourth proportional to 1,377,944.25, 2,066,782.82 and 418,408.29 is: 627,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,944.25 : 2,066,782.82 = 418,408.29 : x
  2. Step 2: Convert to fraction form
    1,377,944.25/2,066,782.82 = 418,408.29/x
  3. Step 3: Cross multiply
    1,377,944.25x = 2,066,782.82 × 418,408.29
  4. Step 4: Simplify right side
    1,377,944.25x = 864,759,070,438.82
  5. Step 5: Solve for x
    x = 864,759,070,438.82/1,377,944.25
  6. Step 6: Final answer
    x = 627,571.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.