Home / 1,235,382.12-1,704,748.32-691,426.44

Finding the Fourth Proportional to 1,235,382.12, 1,704,748.32 and 691,426.44

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Solution

The fourth proportional to 1,235,382.12, 1,704,748.32 and 691,426.44 is: 954,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,382.12 : 1,704,748.32 = 691,426.44 : x
  2. Step 2: Convert to fraction form
    1,235,382.12/1,704,748.32 = 691,426.44/x
  3. Step 3: Cross multiply
    1,235,382.12x = 1,704,748.32 × 691,426.44
  4. Step 4: Simplify right side
    1,235,382.12x = 1,178,708,061,993.58
  5. Step 5: Solve for x
    x = 1,178,708,061,993.58/1,235,382.12
  6. Step 6: Final answer
    x = 954,124.27

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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.