Home / 1,331,744.88-1,997,675.66-385,211.28

Finding the Fourth Proportional to 1,331,744.88, 1,997,675.66 and 385,211.28

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Solution

The fourth proportional to 1,331,744.88, 1,997,675.66 and 385,211.28 is: 577,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,744.88 : 1,997,675.66 = 385,211.28 : x
  2. Step 2: Convert to fraction form
    1,331,744.88/1,997,675.66 = 385,211.28/x
  3. Step 3: Cross multiply
    1,331,744.88x = 1,997,675.66 × 385,211.28
  4. Step 4: Simplify right side
    1,331,744.88x = 769,527,198,013.45
  5. Step 5: Solve for x
    x = 769,527,198,013.45/1,331,744.88
  6. Step 6: Final answer
    x = 577,833.80

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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.