Home / 1,380,337.54-1,904,372.78-799,243.49

Finding the Fourth Proportional to 1,380,337.54, 1,904,372.78 and 799,243.49

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Solution

The fourth proportional to 1,380,337.54, 1,904,372.78 and 799,243.49 is: 1,102,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,337.54 : 1,904,372.78 = 799,243.49 : x
  2. Step 2: Convert to fraction form
    1,380,337.54/1,904,372.78 = 799,243.49/x
  3. Step 3: Cross multiply
    1,380,337.54x = 1,904,372.78 × 799,243.49
  4. Step 4: Simplify right side
    1,380,337.54x = 1,522,057,546,948.20
  5. Step 5: Solve for x
    x = 1,522,057,546,948.20/1,380,337.54
  6. Step 6: Final answer
    x = 1,102,670.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.