Home / 1,687,090.81-2,328,185.32-923,144.38

Finding the Fourth Proportional to 1,687,090.81, 2,328,185.32 and 923,144.38

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Solution

The fourth proportional to 1,687,090.81, 2,328,185.32 and 923,144.38 is: 1,273,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,090.81 : 2,328,185.32 = 923,144.38 : x
  2. Step 2: Convert to fraction form
    1,687,090.81/2,328,185.32 = 923,144.38/x
  3. Step 3: Cross multiply
    1,687,090.81x = 2,328,185.32 × 923,144.38
  4. Step 4: Simplify right side
    1,687,090.81x = 2,149,251,184,423.44
  5. Step 5: Solve for x
    x = 2,149,251,184,423.44/1,687,090.81
  6. Step 6: Final answer
    x = 1,273,939.24

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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.