Home / 1,091,986.02-1,638,212.31-382,037.22

Finding the Fourth Proportional to 1,091,986.02, 1,638,212.31 and 382,037.22

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Solution

The fourth proportional to 1,091,986.02, 1,638,212.31 and 382,037.22 is: 573,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,986.02 : 1,638,212.31 = 382,037.22 : x
  2. Step 2: Convert to fraction form
    1,091,986.02/1,638,212.31 = 382,037.22/x
  3. Step 3: Cross multiply
    1,091,986.02x = 1,638,212.31 × 382,037.22
  4. Step 4: Simplify right side
    1,091,986.02x = 625,858,076,682.18
  5. Step 5: Solve for x
    x = 625,858,076,682.18/1,091,986.02
  6. Step 6: Final answer
    x = 573,137.44

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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.