Home / 681,003.40-1,019,949.90-401,067.40

Finding the Fourth Proportional to 681,003.40, 1,019,949.90 and 401,067.40

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Solution

The fourth proportional to 681,003.40, 1,019,949.90 and 401,067.40 is: 600,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,003.40 : 1,019,949.90 = 401,067.40 : x
  2. Step 2: Convert to fraction form
    681,003.40/1,019,949.90 = 401,067.40/x
  3. Step 3: Cross multiply
    681,003.40x = 1,019,949.90 × 401,067.40
  4. Step 4: Simplify right side
    681,003.40x = 409,068,654,523.26
  5. Step 5: Solve for x
    x = 409,068,654,523.26/681,003.40
  6. Step 6: Final answer
    x = 600,685.19

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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.