Home / 1,122,745.60-1,688,265.60-940,268.80

Finding the Fourth Proportional to 1,122,745.60, 1,688,265.60 and 940,268.80

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Solution

The fourth proportional to 1,122,745.60, 1,688,265.60 and 940,268.80 is: 1,413,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,745.60 : 1,688,265.60 = 940,268.80 : x
  2. Step 2: Convert to fraction form
    1,122,745.60/1,688,265.60 = 940,268.80/x
  3. Step 3: Cross multiply
    1,122,745.60x = 1,688,265.60 × 940,268.80
  4. Step 4: Simplify right side
    1,122,745.60x = 1,587,423,469,793.28
  5. Step 5: Solve for x
    x = 1,587,423,469,793.28/1,122,745.60
  6. Step 6: Final answer
    x = 1,413,876.37

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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.