Home / 1,286,629.60-1,930,635.60-538,751.20

Finding the Fourth Proportional to 1,286,629.60, 1,930,635.60 and 538,751.20

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Solution

The fourth proportional to 1,286,629.60, 1,930,635.60 and 538,751.20 is: 808,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,629.60 : 1,930,635.60 = 538,751.20 : x
  2. Step 2: Convert to fraction form
    1,286,629.60/1,930,635.60 = 538,751.20/x
  3. Step 3: Cross multiply
    1,286,629.60x = 1,930,635.60 × 538,751.20
  4. Step 4: Simplify right side
    1,286,629.60x = 1,040,132,246,262.72
  5. Step 5: Solve for x
    x = 1,040,132,246,262.72/1,286,629.60
  6. Step 6: Final answer
    x = 808,416.23

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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.