Home / 1,687,090.94-2,328,185.49-923,144.50

Finding the Fourth Proportional to 1,687,090.94, 2,328,185.49 and 923,144.50

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Solution

The fourth proportional to 1,687,090.94, 2,328,185.49 and 923,144.50 is: 1,273,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,090.94 : 2,328,185.49 = 923,144.50 : x
  2. Step 2: Convert to fraction form
    1,687,090.94/2,328,185.49 = 923,144.50/x
  3. Step 3: Cross multiply
    1,687,090.94x = 2,328,185.49 × 923,144.50
  4. Step 4: Simplify right side
    1,687,090.94x = 2,149,251,630,073.31
  5. Step 5: Solve for x
    x = 2,149,251,630,073.31/1,687,090.94
  6. Step 6: Final answer
    x = 1,273,939.41

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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.