Home / 1,338,629.73-2,008,742.46-485,767.92

Finding the Fourth Proportional to 1,338,629.73, 2,008,742.46 and 485,767.92

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Solution

The fourth proportional to 1,338,629.73, 2,008,742.46 and 485,767.92 is: 728,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,629.73 : 2,008,742.46 = 485,767.92 : x
  2. Step 2: Convert to fraction form
    1,338,629.73/2,008,742.46 = 485,767.92/x
  3. Step 3: Cross multiply
    1,338,629.73x = 2,008,742.46 × 485,767.92
  4. Step 4: Simplify right side
    1,338,629.73x = 975,782,646,609.88
  5. Step 5: Solve for x
    x = 975,782,646,609.88/1,338,629.73
  6. Step 6: Final answer
    x = 728,941.41

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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.