Home / 751,174.42-1,126,802.67-190,213.78

Finding the Fourth Proportional to 751,174.42, 1,126,802.67 and 190,213.78

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Solution

The fourth proportional to 751,174.42, 1,126,802.67 and 190,213.78 is: 285,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,174.42 : 1,126,802.67 = 190,213.78 : x
  2. Step 2: Convert to fraction form
    751,174.42/1,126,802.67 = 190,213.78/x
  3. Step 3: Cross multiply
    751,174.42x = 1,126,802.67 × 190,213.78
  4. Step 4: Simplify right side
    751,174.42x = 214,333,395,174.79
  5. Step 5: Solve for x
    x = 214,333,395,174.79/751,174.42
  6. Step 6: Final answer
    x = 285,331.06

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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.