Home / 1,170,154.70-1,755,232.05-664,520.30

Finding the Fourth Proportional to 1,170,154.70, 1,755,232.05 and 664,520.30

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Solution

The fourth proportional to 1,170,154.70, 1,755,232.05 and 664,520.30 is: 996,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,154.70 : 1,755,232.05 = 664,520.30 : x
  2. Step 2: Convert to fraction form
    1,170,154.70/1,755,232.05 = 664,520.30/x
  3. Step 3: Cross multiply
    1,170,154.70x = 1,755,232.05 × 664,520.30
  4. Step 4: Simplify right side
    1,170,154.70x = 1,166,387,328,435.62
  5. Step 5: Solve for x
    x = 1,166,387,328,435.62/1,170,154.70
  6. Step 6: Final answer
    x = 996,780.45

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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.