Home / 1,261,422.30-1,894,680.36-756,941.52

Finding the Fourth Proportional to 1,261,422.30, 1,894,680.36 and 756,941.52

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Solution

The fourth proportional to 1,261,422.30, 1,894,680.36 and 756,941.52 is: 1,136,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,422.30 : 1,894,680.36 = 756,941.52 : x
  2. Step 2: Convert to fraction form
    1,261,422.30/1,894,680.36 = 756,941.52/x
  3. Step 3: Cross multiply
    1,261,422.30x = 1,894,680.36 × 756,941.52
  4. Step 4: Simplify right side
    1,261,422.30x = 1,434,162,231,612.55
  5. Step 5: Solve for x
    x = 1,434,162,231,612.55/1,261,422.30
  6. Step 6: Final answer
    x = 1,136,940.60

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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.