Home / 1,302,091.62-1,797,763.89-812,806.07

Finding the Fourth Proportional to 1,302,091.62, 1,797,763.89 and 812,806.07

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Solution

The fourth proportional to 1,302,091.62, 1,797,763.89 and 812,806.07 is: 1,122,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,091.62 : 1,797,763.89 = 812,806.07 : x
  2. Step 2: Convert to fraction form
    1,302,091.62/1,797,763.89 = 812,806.07/x
  3. Step 3: Cross multiply
    1,302,091.62x = 1,797,763.89 × 812,806.07
  4. Step 4: Simplify right side
    1,302,091.62x = 1,461,233,399,048.21
  5. Step 5: Solve for x
    x = 1,461,233,399,048.21/1,302,091.62
  6. Step 6: Final answer
    x = 1,122,220.11

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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.