Home / 1,245,065.74-1,869,277.72-796,661.90

Finding the Fourth Proportional to 1,245,065.74, 1,869,277.72 and 796,661.90

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Solution

The fourth proportional to 1,245,065.74, 1,869,277.72 and 796,661.90 is: 1,196,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,065.74 : 1,869,277.72 = 796,661.90 : x
  2. Step 2: Convert to fraction form
    1,245,065.74/1,869,277.72 = 796,661.90/x
  3. Step 3: Cross multiply
    1,245,065.74x = 1,869,277.72 × 796,661.90
  4. Step 4: Simplify right side
    1,245,065.74x = 1,489,182,340,042.87
  5. Step 5: Solve for x
    x = 1,489,182,340,042.87/1,245,065.74
  6. Step 6: Final answer
    x = 1,196,067.24

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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.