Home / 1,396,321.26-2,094,819.54-485,372.22

Finding the Fourth Proportional to 1,396,321.26, 2,094,819.54 and 485,372.22

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Solution

The fourth proportional to 1,396,321.26, 2,094,819.54 and 485,372.22 is: 728,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,321.26 : 2,094,819.54 = 485,372.22 : x
  2. Step 2: Convert to fraction form
    1,396,321.26/2,094,819.54 = 485,372.22/x
  3. Step 3: Cross multiply
    1,396,321.26x = 2,094,819.54 × 485,372.22
  4. Step 4: Simplify right side
    1,396,321.26x = 1,016,767,210,629.18
  5. Step 5: Solve for x
    x = 1,016,767,210,629.18/1,396,321.26
  6. Step 6: Final answer
    x = 728,175.70

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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.