Home / 1,356,631.04-1,872,172.80-744,840.20

Finding the Fourth Proportional to 1,356,631.04, 1,872,172.80 and 744,840.20

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Solution

The fourth proportional to 1,356,631.04, 1,872,172.80 and 744,840.20 is: 1,027,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,631.04 : 1,872,172.80 = 744,840.20 : x
  2. Step 2: Convert to fraction form
    1,356,631.04/1,872,172.80 = 744,840.20/x
  3. Step 3: Cross multiply
    1,356,631.04x = 1,872,172.80 × 744,840.20
  4. Step 4: Simplify right side
    1,356,631.04x = 1,394,469,562,786.56
  5. Step 5: Solve for x
    x = 1,394,469,562,786.56/1,356,631.04
  6. Step 6: Final answer
    x = 1,027,891.54

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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.