Home / 1,293,067.60-1,784,305.56-720,161.08

Finding the Fourth Proportional to 1,293,067.60, 1,784,305.56 and 720,161.08

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Solution

The fourth proportional to 1,293,067.60, 1,784,305.56 and 720,161.08 is: 993,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,067.60 : 1,784,305.56 = 720,161.08 : x
  2. Step 2: Convert to fraction form
    1,293,067.60/1,784,305.56 = 720,161.08/x
  3. Step 3: Cross multiply
    1,293,067.60x = 1,784,305.56 × 720,161.08
  4. Step 4: Simplify right side
    1,293,067.60x = 1,284,987,417,379.44
  5. Step 5: Solve for x
    x = 1,284,987,417,379.44/1,293,067.60
  6. Step 6: Final answer
    x = 993,751.15

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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.