Home / 1,383,043.80-1,907,777.94-1,076,635.20

Finding the Fourth Proportional to 1,383,043.80, 1,907,777.94 and 1,076,635.20

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Solution

The fourth proportional to 1,383,043.80, 1,907,777.94 and 1,076,635.20 is: 1,485,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,043.80 : 1,907,777.94 = 1,076,635.20 : x
  2. Step 2: Convert to fraction form
    1,383,043.80/1,907,777.94 = 1,076,635.20/x
  3. Step 3: Cross multiply
    1,383,043.80x = 1,907,777.94 × 1,076,635.20
  4. Step 4: Simplify right side
    1,383,043.80x = 2,053,980,883,987.49
  5. Step 5: Solve for x
    x = 2,053,980,883,987.49/1,383,043.80
  6. Step 6: Final answer
    x = 1,485,116.29

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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.