Home / 1,168,144.82-1,752,209.32-628,654.98

Finding the Fourth Proportional to 1,168,144.82, 1,752,209.32 and 628,654.98

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Solution

The fourth proportional to 1,168,144.82, 1,752,209.32 and 628,654.98 is: 942,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,144.82 : 1,752,209.32 = 628,654.98 : x
  2. Step 2: Convert to fraction form
    1,168,144.82/1,752,209.32 = 628,654.98/x
  3. Step 3: Cross multiply
    1,168,144.82x = 1,752,209.32 × 628,654.98
  4. Step 4: Simplify right side
    1,168,144.82x = 1,101,535,115,020.41
  5. Step 5: Solve for x
    x = 1,101,535,115,020.41/1,168,144.82
  6. Step 6: Final answer
    x = 942,978.21

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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.