Home / 1,055,703.45-1,455,930.09-823,188

Finding the Fourth Proportional to 1,055,703.45, 1,455,930.09 and 823,188

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Solution

The fourth proportional to 1,055,703.45, 1,455,930.09 and 823,188 is: 1,135,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,703.45 : 1,455,930.09 = 823,188 : x
  2. Step 2: Convert to fraction form
    1,055,703.45/1,455,930.09 = 823,188/x
  3. Step 3: Cross multiply
    1,055,703.45x = 1,455,930.09 × 823,188
  4. Step 4: Simplify right side
    1,055,703.45x = 1,198,504,178,926.92
  5. Step 5: Solve for x
    x = 1,198,504,178,926.92/1,055,703.45
  6. Step 6: Final answer
    x = 1,135,265.95

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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.