Home / 1,321,972.80-1,824,317.52-749,122.56

Finding the Fourth Proportional to 1,321,972.80, 1,824,317.52 and 749,122.56

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Solution

The fourth proportional to 1,321,972.80, 1,824,317.52 and 749,122.56 is: 1,033,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,972.80 : 1,824,317.52 = 749,122.56 : x
  2. Step 2: Convert to fraction form
    1,321,972.80/1,824,317.52 = 749,122.56/x
  3. Step 3: Cross multiply
    1,321,972.80x = 1,824,317.52 × 749,122.56
  4. Step 4: Simplify right side
    1,321,972.80x = 1,366,637,410,835.25
  5. Step 5: Solve for x
    x = 1,366,637,410,835.25/1,321,972.80
  6. Step 6: Final answer
    x = 1,033,786.33

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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.