Home / 1,270,922.22-1,753,224.13-811,553.81

Finding the Fourth Proportional to 1,270,922.22, 1,753,224.13 and 811,553.81

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Solution

The fourth proportional to 1,270,922.22, 1,753,224.13 and 811,553.81 is: 1,119,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,922.22 : 1,753,224.13 = 811,553.81 : x
  2. Step 2: Convert to fraction form
    1,270,922.22/1,753,224.13 = 811,553.81/x
  3. Step 3: Cross multiply
    1,270,922.22x = 1,753,224.13 × 811,553.81
  4. Step 4: Simplify right side
    1,270,922.22x = 1,422,835,711,690.43
  5. Step 5: Solve for x
    x = 1,422,835,711,690.43/1,270,922.22
  6. Step 6: Final answer
    x = 1,119,530.12

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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.