Home / 1,259,169.12-1,889,311.44-659,987.88

Finding the Fourth Proportional to 1,259,169.12, 1,889,311.44 and 659,987.88

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Solution

The fourth proportional to 1,259,169.12, 1,889,311.44 and 659,987.88 is: 990,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,169.12 : 1,889,311.44 = 659,987.88 : x
  2. Step 2: Convert to fraction form
    1,259,169.12/1,889,311.44 = 659,987.88/x
  3. Step 3: Cross multiply
    1,259,169.12x = 1,889,311.44 × 659,987.88
  4. Step 4: Simplify right side
    1,259,169.12x = 1,246,922,651,945.35
  5. Step 5: Solve for x
    x = 1,246,922,651,945.35/1,259,169.12
  6. Step 6: Final answer
    x = 990,274.17

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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.