Home / 1,399,278.66-2,098,834.44-823,225.56

Finding the Fourth Proportional to 1,399,278.66, 2,098,834.44 and 823,225.56

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Solution

The fourth proportional to 1,399,278.66, 2,098,834.44 and 823,225.56 is: 1,234,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,278.66 : 2,098,834.44 = 823,225.56 : x
  2. Step 2: Convert to fraction form
    1,399,278.66/2,098,834.44 = 823,225.56/x
  3. Step 3: Cross multiply
    1,399,278.66x = 2,098,834.44 × 823,225.56
  4. Step 4: Simplify right side
    1,399,278.66x = 1,727,814,157,216.29
  5. Step 5: Solve for x
    x = 1,727,814,157,216.29/1,399,278.66
  6. Step 6: Final answer
    x = 1,234,789.19

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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.