Home / 1,121,801.40-1,682,454.24-322,904.88

Finding the Fourth Proportional to 1,121,801.40, 1,682,454.24 and 322,904.88

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Solution

The fourth proportional to 1,121,801.40, 1,682,454.24 and 322,904.88 is: 484,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,801.40 : 1,682,454.24 = 322,904.88 : x
  2. Step 2: Convert to fraction form
    1,121,801.40/1,682,454.24 = 322,904.88/x
  3. Step 3: Cross multiply
    1,121,801.40x = 1,682,454.24 × 322,904.88
  4. Step 4: Simplify right side
    1,121,801.40x = 543,272,684,472.69
  5. Step 5: Solve for x
    x = 543,272,684,472.69/1,121,801.40
  6. Step 6: Final answer
    x = 484,285.97

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1.5x scale

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.