Home / 1,261,629.20-1,894,215-1,204,497.20

Finding the Fourth Proportional to 1,261,629.20, 1,894,215 and 1,204,497.20

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Solution

The fourth proportional to 1,261,629.20, 1,894,215 and 1,204,497.20 is: 1,808,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,629.20 : 1,894,215 = 1,204,497.20 : x
  2. Step 2: Convert to fraction form
    1,261,629.20/1,894,215 = 1,204,497.20/x
  3. Step 3: Cross multiply
    1,261,629.20x = 1,894,215 × 1,204,497.20
  4. Step 4: Simplify right side
    1,261,629.20x = 2,281,576,663,698
  5. Step 5: Solve for x
    x = 2,281,576,663,698/1,261,629.20
  6. Step 6: Final answer
    x = 1,808,436.79

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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.