Home / 1,188,132.98-1,781,487.75-378,167.54

Finding the Fourth Proportional to 1,188,132.98, 1,781,487.75 and 378,167.54

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Solution

The fourth proportional to 1,188,132.98, 1,781,487.75 and 378,167.54 is: 567,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,132.98 : 1,781,487.75 = 378,167.54 : x
  2. Step 2: Convert to fraction form
    1,188,132.98/1,781,487.75 = 378,167.54/x
  3. Step 3: Cross multiply
    1,188,132.98x = 1,781,487.75 × 378,167.54
  4. Step 4: Simplify right side
    1,188,132.98x = 673,700,839,957.64
  5. Step 5: Solve for x
    x = 673,700,839,957.64/1,188,132.98
  6. Step 6: Final answer
    x = 567,024.78

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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.