Home / 1,188,166.20-1,782,249.30-1,146,175.80

Finding the Fourth Proportional to 1,188,166.20, 1,782,249.30 and 1,146,175.80

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Solution

The fourth proportional to 1,188,166.20, 1,782,249.30 and 1,146,175.80 is: 1,719,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,166.20 : 1,782,249.30 = 1,146,175.80 : x
  2. Step 2: Convert to fraction form
    1,188,166.20/1,782,249.30 = 1,146,175.80/x
  3. Step 3: Cross multiply
    1,188,166.20x = 1,782,249.30 × 1,146,175.80
  4. Step 4: Simplify right side
    1,188,166.20x = 2,042,771,017,226.94
  5. Step 5: Solve for x
    x = 2,042,771,017,226.94/1,188,166.20
  6. Step 6: Final answer
    x = 1,719,263.70

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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.