Home / 2,855,756.72-4,284,756.53-1,257,198.23

Finding the Fourth Proportional to 2,855,756.72, 4,284,756.53 and 1,257,198.23

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Solution

The fourth proportional to 2,855,756.72, 4,284,756.53 and 1,257,198.23 is: 1,886,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,756.72 : 4,284,756.53 = 1,257,198.23 : x
  2. Step 2: Convert to fraction form
    2,855,756.72/4,284,756.53 = 1,257,198.23/x
  3. Step 3: Cross multiply
    2,855,756.72x = 4,284,756.53 × 1,257,198.23
  4. Step 4: Simplify right side
    2,855,756.72x = 5,386,788,325,496.94
  5. Step 5: Solve for x
    x = 5,386,788,325,496.94/2,855,756.72
  6. Step 6: Final answer
    x = 1,886,291.04

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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.