Home / 1,281,932.20-1,921,695.45-483,750.10

Finding the Fourth Proportional to 1,281,932.20, 1,921,695.45 and 483,750.10

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Solution

The fourth proportional to 1,281,932.20, 1,921,695.45 and 483,750.10 is: 725,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,932.20 : 1,921,695.45 = 483,750.10 : x
  2. Step 2: Convert to fraction form
    1,281,932.20/1,921,695.45 = 483,750.10/x
  3. Step 3: Cross multiply
    1,281,932.20x = 1,921,695.45 × 483,750.10
  4. Step 4: Simplify right side
    1,281,932.20x = 929,620,366,107.05
  5. Step 5: Solve for x
    x = 929,620,366,107.05/1,281,932.20
  6. Step 6: Final answer
    x = 725,171.24

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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.