Home / 1,267,977.12-1,901,973.24-321,350.64

Finding the Fourth Proportional to 1,267,977.12, 1,901,973.24 and 321,350.64

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Solution

The fourth proportional to 1,267,977.12, 1,901,973.24 and 321,350.64 is: 482,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,977.12 : 1,901,973.24 = 321,350.64 : x
  2. Step 2: Convert to fraction form
    1,267,977.12/1,901,973.24 = 321,350.64/x
  3. Step 3: Cross multiply
    1,267,977.12x = 1,901,973.24 × 321,350.64
  4. Step 4: Simplify right side
    1,267,977.12x = 611,200,317,936.87
  5. Step 5: Solve for x
    x = 611,200,317,936.87/1,267,977.12
  6. Step 6: Final answer
    x = 482,027.88

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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.