Home / 1,213,227.72-1,674,791.10-783,717.24

Finding the Fourth Proportional to 1,213,227.72, 1,674,791.10 and 783,717.24

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Solution

The fourth proportional to 1,213,227.72, 1,674,791.10 and 783,717.24 is: 1,081,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,227.72 : 1,674,791.10 = 783,717.24 : x
  2. Step 2: Convert to fraction form
    1,213,227.72/1,674,791.10 = 783,717.24/x
  3. Step 3: Cross multiply
    1,213,227.72x = 1,674,791.10 × 783,717.24
  4. Step 4: Simplify right side
    1,213,227.72x = 1,312,562,658,468.56
  5. Step 5: Solve for x
    x = 1,312,562,658,468.56/1,213,227.72
  6. Step 6: Final answer
    x = 1,081,876.58

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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.