Home / 1,281,905.39-1,768,832.89-737,936.04

Finding the Fourth Proportional to 1,281,905.39, 1,768,832.89 and 737,936.04

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Solution

The fourth proportional to 1,281,905.39, 1,768,832.89 and 737,936.04 is: 1,018,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,905.39 : 1,768,832.89 = 737,936.04 : x
  2. Step 2: Convert to fraction form
    1,281,905.39/1,768,832.89 = 737,936.04/x
  3. Step 3: Cross multiply
    1,281,905.39x = 1,768,832.89 × 737,936.04
  4. Step 4: Simplify right side
    1,281,905.39x = 1,305,285,543,056.64
  5. Step 5: Solve for x
    x = 1,305,285,543,056.64/1,281,905.39
  6. Step 6: Final answer
    x = 1,018,238.59

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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.