Home / 751,072.65-1,126,609.79-190,107.15

Finding the Fourth Proportional to 751,072.65, 1,126,609.79 and 190,107.15

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Solution

The fourth proportional to 751,072.65, 1,126,609.79 and 190,107.15 is: 285,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,072.65 : 1,126,609.79 = 190,107.15 : x
  2. Step 2: Convert to fraction form
    751,072.65/1,126,609.79 = 190,107.15/x
  3. Step 3: Cross multiply
    751,072.65x = 1,126,609.79 × 190,107.15
  4. Step 4: Simplify right side
    751,072.65x = 214,176,576,339.00
  5. Step 5: Solve for x
    x = 214,176,576,339.00/751,072.65
  6. Step 6: Final answer
    x = 285,160.93

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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.