Home / 1,255,972.20-1,883,958.30-1,245,474.60

Finding the Fourth Proportional to 1,255,972.20, 1,883,958.30 and 1,245,474.60

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Solution

The fourth proportional to 1,255,972.20, 1,883,958.30 and 1,245,474.60 is: 1,868,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,972.20 : 1,883,958.30 = 1,245,474.60 : x
  2. Step 2: Convert to fraction form
    1,255,972.20/1,883,958.30 = 1,245,474.60/x
  3. Step 3: Cross multiply
    1,255,972.20x = 1,883,958.30 × 1,245,474.60
  4. Step 4: Simplify right side
    1,255,972.20x = 2,346,422,210,109.18
  5. Step 5: Solve for x
    x = 2,346,422,210,109.18/1,255,972.20
  6. Step 6: Final answer
    x = 1,868,211.90

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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.