Home / 1,280,540.08-1,767,144.72-707,575.24

Finding the Fourth Proportional to 1,280,540.08, 1,767,144.72 and 707,575.24

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Solution

The fourth proportional to 1,280,540.08, 1,767,144.72 and 707,575.24 is: 976,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,540.08 : 1,767,144.72 = 707,575.24 : x
  2. Step 2: Convert to fraction form
    1,280,540.08/1,767,144.72 = 707,575.24/x
  3. Step 3: Cross multiply
    1,280,540.08x = 1,767,144.72 × 707,575.24
  4. Step 4: Simplify right side
    1,280,540.08x = 1,250,387,847,604.28
  5. Step 5: Solve for x
    x = 1,250,387,847,604.28/1,280,540.08
  6. Step 6: Final answer
    x = 976,453.51

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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.