Home / 1,321,263.51-1,981,884.33-785,234.67

Finding the Fourth Proportional to 1,321,263.51, 1,981,884.33 and 785,234.67

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Solution

The fourth proportional to 1,321,263.51, 1,981,884.33 and 785,234.67 is: 1,177,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,263.51 : 1,981,884.33 = 785,234.67 : x
  2. Step 2: Convert to fraction form
    1,321,263.51/1,981,884.33 = 785,234.67/x
  3. Step 3: Cross multiply
    1,321,263.51x = 1,981,884.33 × 785,234.67
  4. Step 4: Simplify right side
    1,321,263.51x = 1,556,244,287,845.72
  5. Step 5: Solve for x
    x = 1,556,244,287,845.72/1,321,263.51
  6. Step 6: Final answer
    x = 1,177,845.51

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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.