Home / 1,976,575.80-2,964,863.70-1,178,758.20

Finding the Fourth Proportional to 1,976,575.80, 2,964,863.70 and 1,178,758.20

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Solution

The fourth proportional to 1,976,575.80, 2,964,863.70 and 1,178,758.20 is: 1,768,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,575.80 : 2,964,863.70 = 1,178,758.20 : x
  2. Step 2: Convert to fraction form
    1,976,575.80/2,964,863.70 = 1,178,758.20/x
  3. Step 3: Cross multiply
    1,976,575.80x = 2,964,863.70 × 1,178,758.20
  4. Step 4: Simplify right side
    1,976,575.80x = 3,494,857,398,257.34
  5. Step 5: Solve for x
    x = 3,494,857,398,257.34/1,976,575.80
  6. Step 6: Final answer
    x = 1,768,137.30

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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.