Home / 1,800,794.20-2,699,991.41-991,559.69

Finding the Fourth Proportional to 1,800,794.20, 2,699,991.41 and 991,559.69

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Solution

The fourth proportional to 1,800,794.20, 2,699,991.41 and 991,559.69 is: 1,486,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,794.20 : 2,699,991.41 = 991,559.69 : x
  2. Step 2: Convert to fraction form
    1,800,794.20/2,699,991.41 = 991,559.69/x
  3. Step 3: Cross multiply
    1,800,794.20x = 2,699,991.41 × 991,559.69
  4. Step 4: Simplify right side
    1,800,794.20x = 2,677,202,639,831.17
  5. Step 5: Solve for x
    x = 2,677,202,639,831.17/1,800,794.20
  6. Step 6: Final answer
    x = 1,486,678.85

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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.