Home / 1,687,188.80-2,328,320.16-923,242.08

Finding the Fourth Proportional to 1,687,188.80, 2,328,320.16 and 923,242.08

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Solution

The fourth proportional to 1,687,188.80, 2,328,320.16 and 923,242.08 is: 1,274,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,188.80 : 2,328,320.16 = 923,242.08 : x
  2. Step 2: Convert to fraction form
    1,687,188.80/2,328,320.16 = 923,242.08/x
  3. Step 3: Cross multiply
    1,687,188.80x = 2,328,320.16 × 923,242.08
  4. Step 4: Simplify right side
    1,687,188.80x = 2,149,603,147,424.33
  5. Step 5: Solve for x
    x = 2,149,603,147,424.33/1,687,188.80
  6. Step 6: Final answer
    x = 1,274,073.86

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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.