Home / 1,263,439.33-1,743,542.44-690,479.55

Finding the Fourth Proportional to 1,263,439.33, 1,743,542.44 and 690,479.55

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Solution

The fourth proportional to 1,263,439.33, 1,743,542.44 and 690,479.55 is: 952,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,439.33 : 1,743,542.44 = 690,479.55 : x
  2. Step 2: Convert to fraction form
    1,263,439.33/1,743,542.44 = 690,479.55/x
  3. Step 3: Cross multiply
    1,263,439.33x = 1,743,542.44 × 690,479.55
  4. Step 4: Simplify right side
    1,263,439.33x = 1,203,880,397,650.90
  5. Step 5: Solve for x
    x = 1,203,880,397,650.90/1,263,439.33
  6. Step 6: Final answer
    x = 952,859.68

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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.