Home / 1,112,191.45-1,665,593.12-769,675.10

Finding the Fourth Proportional to 1,112,191.45, 1,665,593.12 and 769,675.10

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Solution

The fourth proportional to 1,112,191.45, 1,665,593.12 and 769,675.10 is: 1,152,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,191.45 : 1,665,593.12 = 769,675.10 : x
  2. Step 2: Convert to fraction form
    1,112,191.45/1,665,593.12 = 769,675.10/x
  3. Step 3: Cross multiply
    1,112,191.45x = 1,665,593.12 × 769,675.10
  4. Step 4: Simplify right side
    1,112,191.45x = 1,281,965,551,195.31
  5. Step 5: Solve for x
    x = 1,281,965,551,195.31/1,112,191.45
  6. Step 6: Final answer
    x = 1,152,648.27

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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.