Home / 1,278,249.57-1,764,021.32-705,326.64

Finding the Fourth Proportional to 1,278,249.57, 1,764,021.32 and 705,326.64

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Solution

The fourth proportional to 1,278,249.57, 1,764,021.32 and 705,326.64 is: 973,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,249.57 : 1,764,021.32 = 705,326.64 : x
  2. Step 2: Convert to fraction form
    1,278,249.57/1,764,021.32 = 705,326.64/x
  3. Step 3: Cross multiply
    1,278,249.57x = 1,764,021.32 × 705,326.64
  4. Step 4: Simplify right side
    1,278,249.57x = 1,244,211,226,997.33
  5. Step 5: Solve for x
    x = 1,244,211,226,997.33/1,278,249.57
  6. Step 6: Final answer
    x = 973,371.13

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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.