Home / 1,485,015.15-2,049,321.74-805,951.65

Finding the Fourth Proportional to 1,485,015.15, 2,049,321.74 and 805,951.65

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Solution

The fourth proportional to 1,485,015.15, 2,049,321.74 and 805,951.65 is: 1,112,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,015.15 : 2,049,321.74 = 805,951.65 : x
  2. Step 2: Convert to fraction form
    1,485,015.15/2,049,321.74 = 805,951.65/x
  3. Step 3: Cross multiply
    1,485,015.15x = 2,049,321.74 × 805,951.65
  4. Step 4: Simplify right side
    1,485,015.15x = 1,651,654,237,733.87
  5. Step 5: Solve for x
    x = 1,651,654,237,733.87/1,485,015.15
  6. Step 6: Final answer
    x = 1,112,213.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.