Home / 1,427,768.57-2,140,587.61-859,016.44

Finding the Fourth Proportional to 1,427,768.57, 2,140,587.61 and 859,016.44

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Solution

The fourth proportional to 1,427,768.57, 2,140,587.61 and 859,016.44 is: 1,287,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,768.57 : 2,140,587.61 = 859,016.44 : x
  2. Step 2: Convert to fraction form
    1,427,768.57/2,140,587.61 = 859,016.44/x
  3. Step 3: Cross multiply
    1,427,768.57x = 2,140,587.61 × 859,016.44
  4. Step 4: Simplify right side
    1,427,768.57x = 1,838,799,948,778.50
  5. Step 5: Solve for x
    x = 1,838,799,948,778.50/1,427,768.57
  6. Step 6: Final answer
    x = 1,287,883.75

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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.