Home / 1,512,691.76-2,087,514.96-824,363.80

Finding the Fourth Proportional to 1,512,691.76, 2,087,514.96 and 824,363.80

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Solution

The fourth proportional to 1,512,691.76, 2,087,514.96 and 824,363.80 is: 1,137,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,691.76 : 2,087,514.96 = 824,363.80 : x
  2. Step 2: Convert to fraction form
    1,512,691.76/2,087,514.96 = 824,363.80/x
  3. Step 3: Cross multiply
    1,512,691.76x = 2,087,514.96 × 824,363.80
  4. Step 4: Simplify right side
    1,512,691.76x = 1,720,871,764,982.45
  5. Step 5: Solve for x
    x = 1,720,871,764,982.45/1,512,691.76
  6. Step 6: Final answer
    x = 1,137,622.22

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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.