Home / 1,170,003.70-1,755,005.55-664,369.30

Finding the Fourth Proportional to 1,170,003.70, 1,755,005.55 and 664,369.30

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Solution

The fourth proportional to 1,170,003.70, 1,755,005.55 and 664,369.30 is: 996,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,003.70 : 1,755,005.55 = 664,369.30 : x
  2. Step 2: Convert to fraction form
    1,170,003.70/1,755,005.55 = 664,369.30/x
  3. Step 3: Cross multiply
    1,170,003.70x = 1,755,005.55 × 664,369.30
  4. Step 4: Simplify right side
    1,170,003.70x = 1,165,971,808,749.62
  5. Step 5: Solve for x
    x = 1,165,971,808,749.62/1,170,003.70
  6. Step 6: Final answer
    x = 996,553.95

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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.