Home / 1,125,236.96-1,687,850.32-460,388.96

Finding the Fourth Proportional to 1,125,236.96, 1,687,850.32 and 460,388.96

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Solution

The fourth proportional to 1,125,236.96, 1,687,850.32 and 460,388.96 is: 690,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,236.96 : 1,687,850.32 = 460,388.96 : x
  2. Step 2: Convert to fraction form
    1,125,236.96/1,687,850.32 = 460,388.96/x
  3. Step 3: Cross multiply
    1,125,236.96x = 1,687,850.32 × 460,388.96
  4. Step 4: Simplify right side
    1,125,236.96x = 777,067,653,460.47
  5. Step 5: Solve for x
    x = 777,067,653,460.47/1,125,236.96
  6. Step 6: Final answer
    x = 690,581.35

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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.