Home / 1,690,659.27-2,536,820.55-791,945.64

Finding the Fourth Proportional to 1,690,659.27, 2,536,820.55 and 791,945.64

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Solution

The fourth proportional to 1,690,659.27, 2,536,820.55 and 791,945.64 is: 1,188,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,659.27 : 2,536,820.55 = 791,945.64 : x
  2. Step 2: Convert to fraction form
    1,690,659.27/2,536,820.55 = 791,945.64/x
  3. Step 3: Cross multiply
    1,690,659.27x = 2,536,820.55 × 791,945.64
  4. Step 4: Simplify right side
    1,690,659.27x = 2,009,023,974,034.90
  5. Step 5: Solve for x
    x = 2,009,023,974,034.90/1,690,659.27
  6. Step 6: Final answer
    x = 1,188,308.02

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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.