Home / 1,821,920-2,514,249.78-1,017,104

Finding the Fourth Proportional to 1,821,920, 2,514,249.78 and 1,017,104

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Solution

The fourth proportional to 1,821,920, 2,514,249.78 and 1,017,104 is: 1,403,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,920 : 2,514,249.78 = 1,017,104 : x
  2. Step 2: Convert to fraction form
    1,821,920/2,514,249.78 = 1,017,104/x
  3. Step 3: Cross multiply
    1,821,920x = 2,514,249.78 × 1,017,104
  4. Step 4: Simplify right side
    1,821,920x = 2,557,253,508,237.12
  5. Step 5: Solve for x
    x = 2,557,253,508,237.12/1,821,920
  6. Step 6: Final answer
    x = 1,403,603.62

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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.