Home / 1,422,828.38-2,134,246.20-581,380.12

Finding the Fourth Proportional to 1,422,828.38, 2,134,246.20 and 581,380.12

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Solution

The fourth proportional to 1,422,828.38, 2,134,246.20 and 581,380.12 is: 872,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,828.38 : 2,134,246.20 = 581,380.12 : x
  2. Step 2: Convert to fraction form
    1,422,828.38/2,134,246.20 = 581,380.12/x
  3. Step 3: Cross multiply
    1,422,828.38x = 2,134,246.20 × 581,380.12
  4. Step 4: Simplify right side
    1,422,828.38x = 1,240,808,311,865.54
  5. Step 5: Solve for x
    x = 1,240,808,311,865.54/1,422,828.38
  6. Step 6: Final answer
    x = 872,071.66

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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.