Home / 1,329,998.10-1,994,997.15-798,119.70

Finding the Fourth Proportional to 1,329,998.10, 1,994,997.15 and 798,119.70

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Solution

The fourth proportional to 1,329,998.10, 1,994,997.15 and 798,119.70 is: 1,197,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,998.10 : 1,994,997.15 = 798,119.70 : x
  2. Step 2: Convert to fraction form
    1,329,998.10/1,994,997.15 = 798,119.70/x
  3. Step 3: Cross multiply
    1,329,998.10x = 1,994,997.15 × 798,119.70
  4. Step 4: Simplify right side
    1,329,998.10x = 1,592,246,526,858.85
  5. Step 5: Solve for x
    x = 1,592,246,526,858.85/1,329,998.10
  6. Step 6: Final answer
    x = 1,197,179.55

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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.