Home / 1,383,049.80-1,907,786.22-1,076,641.20

Finding the Fourth Proportional to 1,383,049.80, 1,907,786.22 and 1,076,641.20

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Solution

The fourth proportional to 1,383,049.80, 1,907,786.22 and 1,076,641.20 is: 1,485,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,049.80 : 1,907,786.22 = 1,076,641.20 : x
  2. Step 2: Convert to fraction form
    1,383,049.80/1,907,786.22 = 1,076,641.20/x
  3. Step 3: Cross multiply
    1,383,049.80x = 1,907,786.22 × 1,076,641.20
  4. Step 4: Simplify right side
    1,383,049.80x = 2,054,001,245,244.26
  5. Step 5: Solve for x
    x = 2,054,001,245,244.26/1,383,049.80
  6. Step 6: Final answer
    x = 1,485,124.57

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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.