Home / 1,418,040.45-2,125,286.78-708,266.61

Finding the Fourth Proportional to 1,418,040.45, 2,125,286.78 and 708,266.61

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Solution

The fourth proportional to 1,418,040.45, 2,125,286.78 and 708,266.61 is: 1,061,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,040.45 : 2,125,286.78 = 708,266.61 : x
  2. Step 2: Convert to fraction form
    1,418,040.45/2,125,286.78 = 708,266.61/x
  3. Step 3: Cross multiply
    1,418,040.45x = 2,125,286.78 × 708,266.61
  4. Step 4: Simplify right side
    1,418,040.45x = 1,505,269,659,407.08
  5. Step 5: Solve for x
    x = 1,505,269,659,407.08/1,418,040.45
  6. Step 6: Final answer
    x = 1,061,513.91

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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.