Home / 1,383,965.28-2,076,252.66-424,553.04

Finding the Fourth Proportional to 1,383,965.28, 2,076,252.66 and 424,553.04

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Solution

The fourth proportional to 1,383,965.28, 2,076,252.66 and 424,553.04 is: 636,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,965.28 : 2,076,252.66 = 424,553.04 : x
  2. Step 2: Convert to fraction form
    1,383,965.28/2,076,252.66 = 424,553.04/x
  3. Step 3: Cross multiply
    1,383,965.28x = 2,076,252.66 × 424,553.04
  4. Step 4: Simplify right side
    1,383,965.28x = 881,479,378,611.09
  5. Step 5: Solve for x
    x = 881,479,378,611.09/1,383,965.28
  6. Step 6: Final answer
    x = 636,923.04

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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.