Home / 1,247,469.70-1,871,204.55-775,077.70

Finding the Fourth Proportional to 1,247,469.70, 1,871,204.55 and 775,077.70

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Solution

The fourth proportional to 1,247,469.70, 1,871,204.55 and 775,077.70 is: 1,162,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,469.70 : 1,871,204.55 = 775,077.70 : x
  2. Step 2: Convert to fraction form
    1,247,469.70/1,871,204.55 = 775,077.70/x
  3. Step 3: Cross multiply
    1,247,469.70x = 1,871,204.55 × 775,077.70
  4. Step 4: Simplify right side
    1,247,469.70x = 1,450,328,918,843.54
  5. Step 5: Solve for x
    x = 1,450,328,918,843.54/1,247,469.70
  6. Step 6: Final answer
    x = 1,162,616.55

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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.