Home / 1,512,627.39-2,087,399.03-824,305.41

Finding the Fourth Proportional to 1,512,627.39, 2,087,399.03 and 824,305.41

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Solution

The fourth proportional to 1,512,627.39, 2,087,399.03 and 824,305.41 is: 1,137,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,627.39 : 2,087,399.03 = 824,305.41 : x
  2. Step 2: Convert to fraction form
    1,512,627.39/2,087,399.03 = 824,305.41/x
  3. Step 3: Cross multiply
    1,512,627.39x = 2,087,399.03 × 824,305.41
  4. Step 4: Simplify right side
    1,512,627.39x = 1,720,654,309,136.23
  5. Step 5: Solve for x
    x = 1,720,654,309,136.23/1,512,627.39
  6. Step 6: Final answer
    x = 1,137,526.88

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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.