Home / 1,251,958.20-1,879,905.60-720,517.20

Finding the Fourth Proportional to 1,251,958.20, 1,879,905.60 and 720,517.20

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Solution

The fourth proportional to 1,251,958.20, 1,879,905.60 and 720,517.20 is: 1,081,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,958.20 : 1,879,905.60 = 720,517.20 : x
  2. Step 2: Convert to fraction form
    1,251,958.20/1,879,905.60 = 720,517.20/x
  3. Step 3: Cross multiply
    1,251,958.20x = 1,879,905.60 × 720,517.20
  4. Step 4: Simplify right side
    1,251,958.20x = 1,354,504,319,176.32
  5. Step 5: Solve for x
    x = 1,354,504,319,176.32/1,251,958.20
  6. Step 6: Final answer
    x = 1,081,908.58

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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.