Home / 1,512,180.82-2,086,833.95-823,885.48

Finding the Fourth Proportional to 1,512,180.82, 2,086,833.95 and 823,885.48

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Solution

The fourth proportional to 1,512,180.82, 2,086,833.95 and 823,885.48 is: 1,136,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,180.82 : 2,086,833.95 = 823,885.48 : x
  2. Step 2: Convert to fraction form
    1,512,180.82/2,086,833.95 = 823,885.48/x
  3. Step 3: Cross multiply
    1,512,180.82x = 2,086,833.95 × 823,885.48
  4. Step 4: Simplify right side
    1,512,180.82x = 1,719,312,190,576.05
  5. Step 5: Solve for x
    x = 1,719,312,190,576.05/1,512,180.82
  6. Step 6: Final answer
    x = 1,136,975.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.