Home / 1,396,065.60-2,094,426.40-449,400.80

Finding the Fourth Proportional to 1,396,065.60, 2,094,426.40 and 449,400.80

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Solution

The fourth proportional to 1,396,065.60, 2,094,426.40 and 449,400.80 is: 674,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,065.60 : 2,094,426.40 = 449,400.80 : x
  2. Step 2: Convert to fraction form
    1,396,065.60/2,094,426.40 = 449,400.80/x
  3. Step 3: Cross multiply
    1,396,065.60x = 2,094,426.40 × 449,400.80
  4. Step 4: Simplify right side
    1,396,065.60x = 941,236,899,701.12
  5. Step 5: Solve for x
    x = 941,236,899,701.12/1,396,065.60
  6. Step 6: Final answer
    x = 674,206.78

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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.