Home / 1,122,427.80-1,548,983.58-613,138.52

Finding the Fourth Proportional to 1,122,427.80, 1,548,983.58 and 613,138.52

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Solution

The fourth proportional to 1,122,427.80, 1,548,983.58 and 613,138.52 is: 846,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,427.80 : 1,548,983.58 = 613,138.52 : x
  2. Step 2: Convert to fraction form
    1,122,427.80/1,548,983.58 = 613,138.52/x
  3. Step 3: Cross multiply
    1,122,427.80x = 1,548,983.58 × 613,138.52
  4. Step 4: Simplify right side
    1,122,427.80x = 949,741,499,745.50
  5. Step 5: Solve for x
    x = 949,741,499,745.50/1,122,427.80
  6. Step 6: Final answer
    x = 846,149.30

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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.