Home / 1,806,589.44-2,493,139.20-990,825.60

Finding the Fourth Proportional to 1,806,589.44, 2,493,139.20 and 990,825.60

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Solution

The fourth proportional to 1,806,589.44, 2,493,139.20 and 990,825.60 is: 1,367,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,589.44 : 2,493,139.20 = 990,825.60 : x
  2. Step 2: Convert to fraction form
    1,806,589.44/2,493,139.20 = 990,825.60/x
  3. Step 3: Cross multiply
    1,806,589.44x = 2,493,139.20 × 990,825.60
  4. Step 4: Simplify right side
    1,806,589.44x = 2,470,266,143,723.52
  5. Step 5: Solve for x
    x = 2,470,266,143,723.52/1,806,589.44
  6. Step 6: Final answer
    x = 1,367,364.43

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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.