Home / 1,262,322.24-1,741,992.96-689,360.64

Finding the Fourth Proportional to 1,262,322.24, 1,741,992.96 and 689,360.64

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Solution

The fourth proportional to 1,262,322.24, 1,741,992.96 and 689,360.64 is: 951,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,322.24 : 1,741,992.96 = 689,360.64 : x
  2. Step 2: Convert to fraction form
    1,262,322.24/1,741,992.96 = 689,360.64/x
  3. Step 3: Cross multiply
    1,262,322.24x = 1,741,992.96 × 689,360.64
  4. Step 4: Simplify right side
    1,262,322.24x = 1,200,861,381,781.09
  5. Step 5: Solve for x
    x = 1,200,861,381,781.09/1,262,322.24
  6. Step 6: Final answer
    x = 951,311.28

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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.