Home / 1,128,003.03-1,691,982.68-275,077.89

Finding the Fourth Proportional to 1,128,003.03, 1,691,982.68 and 275,077.89

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Solution

The fourth proportional to 1,128,003.03, 1,691,982.68 and 275,077.89 is: 412,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,003.03 : 1,691,982.68 = 275,077.89 : x
  2. Step 2: Convert to fraction form
    1,128,003.03/1,691,982.68 = 275,077.89/x
  3. Step 3: Cross multiply
    1,128,003.03x = 1,691,982.68 × 275,077.89
  4. Step 4: Simplify right side
    1,128,003.03x = 465,427,024,155.56
  5. Step 5: Solve for x
    x = 465,427,024,155.56/1,128,003.03
  6. Step 6: Final answer
    x = 412,611.50

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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.