Home / 1,067,643.90-1,601,465.85-997,659.90

Finding the Fourth Proportional to 1,067,643.90, 1,601,465.85 and 997,659.90

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Solution

The fourth proportional to 1,067,643.90, 1,601,465.85 and 997,659.90 is: 1,496,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,643.90 : 1,601,465.85 = 997,659.90 : x
  2. Step 2: Convert to fraction form
    1,067,643.90/1,601,465.85 = 997,659.90/x
  3. Step 3: Cross multiply
    1,067,643.90x = 1,601,465.85 × 997,659.90
  4. Step 4: Simplify right side
    1,067,643.90x = 1,597,718,259,764.42
  5. Step 5: Solve for x
    x = 1,597,718,259,764.42/1,067,643.90
  6. Step 6: Final answer
    x = 1,496,489.85

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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.