Home / 750,812.70-1,126,223.10-189,847.20

Finding the Fourth Proportional to 750,812.70, 1,126,223.10 and 189,847.20

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Solution

The fourth proportional to 750,812.70, 1,126,223.10 and 189,847.20 is: 284,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,812.70 : 1,126,223.10 = 189,847.20 : x
  2. Step 2: Convert to fraction form
    750,812.70/1,126,223.10 = 189,847.20/x
  3. Step 3: Cross multiply
    750,812.70x = 1,126,223.10 × 189,847.20
  4. Step 4: Simplify right side
    750,812.70x = 213,810,302,110.32
  5. Step 5: Solve for x
    x = 213,810,302,110.32/750,812.70
  6. Step 6: Final answer
    x = 284,771.82

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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.