Home / 1,388,829.44-2,081,778.68-748,959.03

Finding the Fourth Proportional to 1,388,829.44, 2,081,778.68 and 748,959.03

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Solution

The fourth proportional to 1,388,829.44, 2,081,778.68 and 748,959.03 is: 1,122,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,829.44 : 2,081,778.68 = 748,959.03 : x
  2. Step 2: Convert to fraction form
    1,388,829.44/2,081,778.68 = 748,959.03/x
  3. Step 3: Cross multiply
    1,388,829.44x = 2,081,778.68 × 748,959.03
  4. Step 4: Simplify right side
    1,388,829.44x = 1,559,166,942,719.88
  5. Step 5: Solve for x
    x = 1,559,166,942,719.88/1,388,829.44
  6. Step 6: Final answer
    x = 1,122,648.25

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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.