Home / 751,257.42-1,126,927.17-190,296.78

Finding the Fourth Proportional to 751,257.42, 1,126,927.17 and 190,296.78

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Solution

The fourth proportional to 751,257.42, 1,126,927.17 and 190,296.78 is: 285,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257.42 : 1,126,927.17 = 190,296.78 : x
  2. Step 2: Convert to fraction form
    751,257.42/1,126,927.17 = 190,296.78/x
  3. Step 3: Cross multiply
    751,257.42x = 1,126,927.17 × 190,296.78
  4. Step 4: Simplify right side
    751,257.42x = 214,450,611,745.51
  5. Step 5: Solve for x
    x = 214,450,611,745.51/751,257.42
  6. Step 6: Final answer
    x = 285,455.57

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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.