Home / 1,279,851.01-1,920,092.34-381,289.25

Finding the Fourth Proportional to 1,279,851.01, 1,920,092.34 and 381,289.25

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Solution

The fourth proportional to 1,279,851.01, 1,920,092.34 and 381,289.25 is: 572,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,851.01 : 1,920,092.34 = 381,289.25 : x
  2. Step 2: Convert to fraction form
    1,279,851.01/1,920,092.34 = 381,289.25/x
  3. Step 3: Cross multiply
    1,279,851.01x = 1,920,092.34 × 381,289.25
  4. Step 4: Simplify right side
    1,279,851.01x = 732,110,568,249.35
  5. Step 5: Solve for x
    x = 732,110,568,249.35/1,279,851.01
  6. Step 6: Final answer
    x = 572,027.96

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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.