Home / 1,302,189.92-1,796,584.96-758,209.21

Finding the Fourth Proportional to 1,302,189.92, 1,796,584.96 and 758,209.21

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Solution

The fourth proportional to 1,302,189.92, 1,796,584.96 and 758,209.21 is: 1,046,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,189.92 : 1,796,584.96 = 758,209.21 : x
  2. Step 2: Convert to fraction form
    1,302,189.92/1,796,584.96 = 758,209.21/x
  3. Step 3: Cross multiply
    1,302,189.92x = 1,796,584.96 × 758,209.21
  4. Step 4: Simplify right side
    1,302,189.92x = 1,362,187,259,675.78
  5. Step 5: Solve for x
    x = 1,362,187,259,675.78/1,302,189.92
  6. Step 6: Final answer
    x = 1,046,074.19

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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.