Home / 1,269,424.44-1,904,182.02-427,983.48

Finding the Fourth Proportional to 1,269,424.44, 1,904,182.02 and 427,983.48

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Solution

The fourth proportional to 1,269,424.44, 1,904,182.02 and 427,983.48 is: 641,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,424.44 : 1,904,182.02 = 427,983.48 : x
  2. Step 2: Convert to fraction form
    1,269,424.44/1,904,182.02 = 427,983.48/x
  3. Step 3: Cross multiply
    1,269,424.44x = 1,904,182.02 × 427,983.48
  4. Step 4: Simplify right side
    1,269,424.44x = 814,958,447,473.03
  5. Step 5: Solve for x
    x = 814,958,447,473.03/1,269,424.44
  6. Step 6: Final answer
    x = 641,990.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.