Home / 751,165.92-1,126,789.92-190,205.28

Finding the Fourth Proportional to 751,165.92, 1,126,789.92 and 190,205.28

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Solution

The fourth proportional to 751,165.92, 1,126,789.92 and 190,205.28 is: 285,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,165.92 : 1,126,789.92 = 190,205.28 : x
  2. Step 2: Convert to fraction form
    751,165.92/1,126,789.92 = 190,205.28/x
  3. Step 3: Cross multiply
    751,165.92x = 1,126,789.92 × 190,205.28
  4. Step 4: Simplify right side
    751,165.92x = 214,321,392,234.78
  5. Step 5: Solve for x
    x = 214,321,392,234.78/751,165.92
  6. Step 6: Final answer
    x = 285,318.31

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1.5x scale

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.