Home / 1,189,108.84-1,782,904.56-783,833.44

Finding the Fourth Proportional to 1,189,108.84, 1,782,904.56 and 783,833.44

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Solution

The fourth proportional to 1,189,108.84, 1,782,904.56 and 783,833.44 is: 1,175,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,108.84 : 1,782,904.56 = 783,833.44 : x
  2. Step 2: Convert to fraction form
    1,189,108.84/1,782,904.56 = 783,833.44/x
  3. Step 3: Cross multiply
    1,189,108.84x = 1,782,904.56 × 783,833.44
  4. Step 4: Simplify right side
    1,189,108.84x = 1,397,500,214,456.49
  5. Step 5: Solve for x
    x = 1,397,500,214,456.49/1,189,108.84
  6. Step 6: Final answer
    x = 1,175,250.04

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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.