Home / 1,045,866.75-1,568,593.55-287,512.54

Finding the Fourth Proportional to 1,045,866.75, 1,568,593.55 and 287,512.54

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Solution

The fourth proportional to 1,045,866.75, 1,568,593.55 and 287,512.54 is: 431,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,866.75 : 1,568,593.55 = 287,512.54 : x
  2. Step 2: Convert to fraction form
    1,045,866.75/1,568,593.55 = 287,512.54/x
  3. Step 3: Cross multiply
    1,045,866.75x = 1,568,593.55 × 287,512.54
  4. Step 4: Simplify right side
    1,045,866.75x = 450,990,315,788.12
  5. Step 5: Solve for x
    x = 450,990,315,788.12/1,045,866.75
  6. Step 6: Final answer
    x = 431,212.02

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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.