Home / 1,086,908.80-1,630,363.20-1,013,180.80

Finding the Fourth Proportional to 1,086,908.80, 1,630,363.20 and 1,013,180.80

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Solution

The fourth proportional to 1,086,908.80, 1,630,363.20 and 1,013,180.80 is: 1,519,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,908.80 : 1,630,363.20 = 1,013,180.80 : x
  2. Step 2: Convert to fraction form
    1,086,908.80/1,630,363.20 = 1,013,180.80/x
  3. Step 3: Cross multiply
    1,086,908.80x = 1,630,363.20 × 1,013,180.80
  4. Step 4: Simplify right side
    1,086,908.80x = 1,651,852,691,266.56
  5. Step 5: Solve for x
    x = 1,651,852,691,266.56/1,086,908.80
  6. Step 6: Final answer
    x = 1,519,771.20

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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.