Home / 1,479,230.96-2,040,986.34-1,020,198.80

Finding the Fourth Proportional to 1,479,230.96, 2,040,986.34 and 1,020,198.80

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Solution

The fourth proportional to 1,479,230.96, 2,040,986.34 and 1,020,198.80 is: 1,407,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,230.96 : 2,040,986.34 = 1,020,198.80 : x
  2. Step 2: Convert to fraction form
    1,479,230.96/2,040,986.34 = 1,020,198.80/x
  3. Step 3: Cross multiply
    1,479,230.96x = 2,040,986.34 × 1,020,198.80
  4. Step 4: Simplify right side
    1,479,230.96x = 2,082,211,814,884.39
  5. Step 5: Solve for x
    x = 2,082,211,814,884.39/1,479,230.96
  6. Step 6: Final answer
    x = 1,407,631.31

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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.