Home / 1,170,040.90-1,755,644.55-664,989.70

Finding the Fourth Proportional to 1,170,040.90, 1,755,644.55 and 664,989.70

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Solution

The fourth proportional to 1,170,040.90, 1,755,644.55 and 664,989.70 is: 997,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,040.90 : 1,755,644.55 = 664,989.70 : x
  2. Step 2: Convert to fraction form
    1,170,040.90/1,755,644.55 = 664,989.70/x
  3. Step 3: Cross multiply
    1,170,040.90x = 1,755,644.55 × 664,989.70
  4. Step 4: Simplify right side
    1,170,040.90x = 1,167,485,542,611.14
  5. Step 5: Solve for x
    x = 1,167,485,542,611.14/1,170,040.90
  6. Step 6: Final answer
    x = 997,816.01

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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.