Home / 1,259,617.00-1,889,426.87-312,987.72

Finding the Fourth Proportional to 1,259,617.00, 1,889,426.87 and 312,987.72

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Solution

The fourth proportional to 1,259,617.00, 1,889,426.87 and 312,987.72 is: 469,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,617.00 : 1,889,426.87 = 312,987.72 : x
  2. Step 2: Convert to fraction form
    1,259,617.00/1,889,426.87 = 312,987.72/x
  3. Step 3: Cross multiply
    1,259,617.00x = 1,889,426.87 × 312,987.72
  4. Step 4: Simplify right side
    1,259,617.00x = 591,367,399,497.75
  5. Step 5: Solve for x
    x = 591,367,399,497.75/1,259,617.00
  6. Step 6: Final answer
    x = 469,481.91

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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.