Home / 1,262,113.22-1,741,709.30-689,149.32

Finding the Fourth Proportional to 1,262,113.22, 1,741,709.30 and 689,149.32

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Solution

The fourth proportional to 1,262,113.22, 1,741,709.30 and 689,149.32 is: 951,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,113.22 : 1,741,709.30 = 689,149.32 : x
  2. Step 2: Convert to fraction form
    1,262,113.22/1,741,709.30 = 689,149.32/x
  3. Step 3: Cross multiply
    1,262,113.22x = 1,741,709.30 × 689,149.32
  4. Step 4: Simplify right side
    1,262,113.22x = 1,200,297,779,732.68
  5. Step 5: Solve for x
    x = 1,200,297,779,732.68/1,262,113.22
  6. Step 6: Final answer
    x = 951,022.27

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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.