Home / 751,173.92-1,126,801.92-190,213.28

Finding the Fourth Proportional to 751,173.92, 1,126,801.92 and 190,213.28

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Solution

The fourth proportional to 751,173.92, 1,126,801.92 and 190,213.28 is: 285,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,173.92 : 1,126,801.92 = 190,213.28 : x
  2. Step 2: Convert to fraction form
    751,173.92/1,126,801.92 = 190,213.28/x
  3. Step 3: Cross multiply
    751,173.92x = 1,126,801.92 × 190,213.28
  4. Step 4: Simplify right side
    751,173.92x = 214,332,689,113.50
  5. Step 5: Solve for x
    x = 214,332,689,113.50/751,173.92
  6. Step 6: Final answer
    x = 285,330.31

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Double scale
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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.