Home / 1,687,249.40-2,328,403.96-923,302.76

Finding the Fourth Proportional to 1,687,249.40, 2,328,403.96 and 923,302.76

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Solution

The fourth proportional to 1,687,249.40, 2,328,403.96 and 923,302.76 is: 1,274,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,249.40 : 2,328,403.96 = 923,302.76 : x
  2. Step 2: Convert to fraction form
    1,687,249.40/2,328,403.96 = 923,302.76/x
  3. Step 3: Cross multiply
    1,687,249.40x = 2,328,403.96 × 923,302.76
  4. Step 4: Simplify right side
    1,687,249.40x = 2,149,821,802,662.93
  5. Step 5: Solve for x
    x = 2,149,821,802,662.93/1,687,249.40
  6. Step 6: Final answer
    x = 1,274,157.69

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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.