Home / 1,216,441.20-1,825,050.60-418,234.80

Finding the Fourth Proportional to 1,216,441.20, 1,825,050.60 and 418,234.80

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Solution

The fourth proportional to 1,216,441.20, 1,825,050.60 and 418,234.80 is: 627,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,441.20 : 1,825,050.60 = 418,234.80 : x
  2. Step 2: Convert to fraction form
    1,216,441.20/1,825,050.60 = 418,234.80/x
  3. Step 3: Cross multiply
    1,216,441.20x = 1,825,050.60 × 418,234.80
  4. Step 4: Simplify right side
    1,216,441.20x = 763,299,672,680.88
  5. Step 5: Solve for x
    x = 763,299,672,680.88/1,216,441.20
  6. Step 6: Final answer
    x = 627,485.88

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1.5x scale

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.