Home / 1,558,039-2,150,093.82-842,647

Finding the Fourth Proportional to 1,558,039, 2,150,093.82 and 842,647

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Solution

The fourth proportional to 1,558,039, 2,150,093.82 and 842,647 is: 1,162,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,039 : 2,150,093.82 = 842,647 : x
  2. Step 2: Convert to fraction form
    1,558,039/2,150,093.82 = 842,647/x
  3. Step 3: Cross multiply
    1,558,039x = 2,150,093.82 × 842,647
  4. Step 4: Simplify right side
    1,558,039x = 1,811,770,107,141.54
  5. Step 5: Solve for x
    x = 1,811,770,107,141.54/1,558,039
  6. Step 6: Final answer
    x = 1,162,852.86

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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.