Home / 1,751,949.12-2,627,923.68-422,253.12

Finding the Fourth Proportional to 1,751,949.12, 2,627,923.68 and 422,253.12

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Solution

The fourth proportional to 1,751,949.12, 2,627,923.68 and 422,253.12 is: 633,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,949.12 : 2,627,923.68 = 422,253.12 : x
  2. Step 2: Convert to fraction form
    1,751,949.12/2,627,923.68 = 422,253.12/x
  3. Step 3: Cross multiply
    1,751,949.12x = 2,627,923.68 × 422,253.12
  4. Step 4: Simplify right side
    1,751,949.12x = 1,109,648,973,001.88
  5. Step 5: Solve for x
    x = 1,109,648,973,001.88/1,751,949.12
  6. Step 6: Final answer
    x = 633,379.68

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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.