Home / 1,343,997.24-2,016,290.88-987,931.80

Finding the Fourth Proportional to 1,343,997.24, 2,016,290.88 and 987,931.80

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Solution

The fourth proportional to 1,343,997.24, 2,016,290.88 and 987,931.80 is: 1,482,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,997.24 : 2,016,290.88 = 987,931.80 : x
  2. Step 2: Convert to fraction form
    1,343,997.24/2,016,290.88 = 987,931.80/x
  3. Step 3: Cross multiply
    1,343,997.24x = 2,016,290.88 × 987,931.80
  4. Step 4: Simplify right side
    1,343,997.24x = 1,991,957,878,401.98
  5. Step 5: Solve for x
    x = 1,991,957,878,401.98/1,343,997.24
  6. Step 6: Final answer
    x = 1,482,114.56

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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.