Home / 1,250,181.41-1,872,540.79-768,944.21

Finding the Fourth Proportional to 1,250,181.41, 1,872,540.79 and 768,944.21

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Solution

The fourth proportional to 1,250,181.41, 1,872,540.79 and 768,944.21 is: 1,151,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,181.41 : 1,872,540.79 = 768,944.21 : x
  2. Step 2: Convert to fraction form
    1,250,181.41/1,872,540.79 = 768,944.21/x
  3. Step 3: Cross multiply
    1,250,181.41x = 1,872,540.79 × 768,944.21
  4. Step 4: Simplify right side
    1,250,181.41x = 1,439,879,387,174.26
  5. Step 5: Solve for x
    x = 1,439,879,387,174.26/1,250,181.41
  6. Step 6: Final answer
    x = 1,151,736.37

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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.