Home / 2,255,450-3,112,234.92-1,236,586.64

Finding the Fourth Proportional to 2,255,450, 3,112,234.92 and 1,236,586.64

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Solution

The fourth proportional to 2,255,450, 3,112,234.92 and 1,236,586.64 is: 1,706,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,450 : 3,112,234.92 = 1,236,586.64 : x
  2. Step 2: Convert to fraction form
    2,255,450/3,112,234.92 = 1,236,586.64/x
  3. Step 3: Cross multiply
    2,255,450x = 3,112,234.92 × 1,236,586.64
  4. Step 4: Simplify right side
    2,255,450x = 3,848,548,122,613.47
  5. Step 5: Solve for x
    x = 3,848,548,122,613.47/2,255,450
  6. Step 6: Final answer
    x = 1,706,332.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.