Home / 751,074.88-1,126,614.48-190,108.84

Finding the Fourth Proportional to 751,074.88, 1,126,614.48 and 190,108.84

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Solution

The fourth proportional to 751,074.88, 1,126,614.48 and 190,108.84 is: 285,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,074.88 : 1,126,614.48 = 190,108.84 : x
  2. Step 2: Convert to fraction form
    751,074.88/1,126,614.48 = 190,108.84/x
  3. Step 3: Cross multiply
    751,074.88x = 1,126,614.48 × 190,108.84
  4. Step 4: Simplify right side
    751,074.88x = 214,179,371,920.00
  5. Step 5: Solve for x
    x = 214,179,371,920.00/751,074.88
  6. Step 6: Final answer
    x = 285,163.81

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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.