Home / 1,445,198.10-1,994,495.85-800,820.42

Finding the Fourth Proportional to 1,445,198.10, 1,994,495.85 and 800,820.42

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Solution

The fourth proportional to 1,445,198.10, 1,994,495.85 and 800,820.42 is: 1,105,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,198.10 : 1,994,495.85 = 800,820.42 : x
  2. Step 2: Convert to fraction form
    1,445,198.10/1,994,495.85 = 800,820.42/x
  3. Step 3: Cross multiply
    1,445,198.10x = 1,994,495.85 × 800,820.42
  4. Step 4: Simplify right side
    1,445,198.10x = 1,597,233,004,285.26
  5. Step 5: Solve for x
    x = 1,597,233,004,285.26/1,445,198.10
  6. Step 6: Final answer
    x = 1,105,200.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.