Home / 1,134,408.24-1,565,516.88-625,143.60

Finding the Fourth Proportional to 1,134,408.24, 1,565,516.88 and 625,143.60

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Solution

The fourth proportional to 1,134,408.24, 1,565,516.88 and 625,143.60 is: 862,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,408.24 : 1,565,516.88 = 625,143.60 : x
  2. Step 2: Convert to fraction form
    1,134,408.24/1,565,516.88 = 625,143.60/x
  3. Step 3: Cross multiply
    1,134,408.24x = 1,565,516.88 × 625,143.60
  4. Step 4: Simplify right side
    1,134,408.24x = 978,672,858,223.97
  5. Step 5: Solve for x
    x = 978,672,858,223.97/1,134,408.24
  6. Step 6: Final answer
    x = 862,716.63

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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.