Home / 1,385,882.20-2,079,942.77-587,723.77

Finding the Fourth Proportional to 1,385,882.20, 2,079,942.77 and 587,723.77

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Solution

The fourth proportional to 1,385,882.20, 2,079,942.77 and 587,723.77 is: 882,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,882.20 : 2,079,942.77 = 587,723.77 : x
  2. Step 2: Convert to fraction form
    1,385,882.20/2,079,942.77 = 587,723.77/x
  3. Step 3: Cross multiply
    1,385,882.20x = 2,079,942.77 × 587,723.77
  4. Step 4: Simplify right side
    1,385,882.20x = 1,222,431,806,168.64
  5. Step 5: Solve for x
    x = 1,222,431,806,168.64/1,385,882.20
  6. Step 6: Final answer
    x = 882,060.40

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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.