Home / 1,787,251.40-2,682,189.30-1,188,013.40

Finding the Fourth Proportional to 1,787,251.40, 2,682,189.30 and 1,188,013.40

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Solution

The fourth proportional to 1,787,251.40, 2,682,189.30 and 1,188,013.40 is: 1,782,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,251.40 : 2,682,189.30 = 1,188,013.40 : x
  2. Step 2: Convert to fraction form
    1,787,251.40/2,682,189.30 = 1,188,013.40/x
  3. Step 3: Cross multiply
    1,787,251.40x = 2,682,189.30 × 1,188,013.40
  4. Step 4: Simplify right side
    1,787,251.40x = 3,186,476,829,736.62
  5. Step 5: Solve for x
    x = 3,186,476,829,736.62/1,787,251.40
  6. Step 6: Final answer
    x = 1,782,892.34

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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.