Home / 787,730.20-1,179,845.70-682,754.20

Finding the Fourth Proportional to 787,730.20, 1,179,845.70 and 682,754.20

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Solution

The fourth proportional to 787,730.20, 1,179,845.70 and 682,754.20 is: 1,022,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,730.20 : 1,179,845.70 = 682,754.20 : x
  2. Step 2: Convert to fraction form
    787,730.20/1,179,845.70 = 682,754.20/x
  3. Step 3: Cross multiply
    787,730.20x = 1,179,845.70 × 682,754.20
  4. Step 4: Simplify right side
    787,730.20x = 805,544,607,026.94
  5. Step 5: Solve for x
    x = 805,544,607,026.94/787,730.20
  6. Step 6: Final answer
    x = 1,022,614.86

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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.