Home / 1,380,839.55-1,906,304.10-968,639.25

Finding the Fourth Proportional to 1,380,839.55, 1,906,304.10 and 968,639.25

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Solution

The fourth proportional to 1,380,839.55, 1,906,304.10 and 968,639.25 is: 1,337,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,839.55 : 1,906,304.10 = 968,639.25 : x
  2. Step 2: Convert to fraction form
    1,380,839.55/1,906,304.10 = 968,639.25/x
  3. Step 3: Cross multiply
    1,380,839.55x = 1,906,304.10 × 968,639.25
  4. Step 4: Simplify right side
    1,380,839.55x = 1,846,520,973,695.93
  5. Step 5: Solve for x
    x = 1,846,520,973,695.93/1,380,839.55
  6. Step 6: Final answer
    x = 1,337,245.14

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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.