Home / 1,340,078.67-2,009,229.40-487,049.04

Finding the Fourth Proportional to 1,340,078.67, 2,009,229.40 and 487,049.04

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Solution

The fourth proportional to 1,340,078.67, 2,009,229.40 and 487,049.04 is: 730,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,078.67 : 2,009,229.40 = 487,049.04 : x
  2. Step 2: Convert to fraction form
    1,340,078.67/2,009,229.40 = 487,049.04/x
  3. Step 3: Cross multiply
    1,340,078.67x = 2,009,229.40 × 487,049.04
  4. Step 4: Simplify right side
    1,340,078.67x = 978,593,250,409.78
  5. Step 5: Solve for x
    x = 978,593,250,409.78/1,340,078.67
  6. Step 6: Final answer
    x = 730,250.60

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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.