Home / 961,661.18-1,320,143.07-825,458.67

Finding the Fourth Proportional to 961,661.18, 1,320,143.07 and 825,458.67

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Solution

The fourth proportional to 961,661.18, 1,320,143.07 and 825,458.67 is: 1,133,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,661.18 : 1,320,143.07 = 825,458.67 : x
  2. Step 2: Convert to fraction form
    961,661.18/1,320,143.07 = 825,458.67/x
  3. Step 3: Cross multiply
    961,661.18x = 1,320,143.07 × 825,458.67
  4. Step 4: Simplify right side
    961,661.18x = 1,089,723,542,771.92
  5. Step 5: Solve for x
    x = 1,089,723,542,771.92/961,661.18
  6. Step 6: Final answer
    x = 1,133,167.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.