Home / 1,219,354.62-1,682,691.66-675,489.48

Finding the Fourth Proportional to 1,219,354.62, 1,682,691.66 and 675,489.48

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Solution

The fourth proportional to 1,219,354.62, 1,682,691.66 and 675,489.48 is: 932,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,354.62 : 1,682,691.66 = 675,489.48 : x
  2. Step 2: Convert to fraction form
    1,219,354.62/1,682,691.66 = 675,489.48/x
  3. Step 3: Cross multiply
    1,219,354.62x = 1,682,691.66 × 675,489.48
  4. Step 4: Simplify right side
    1,219,354.62x = 1,136,640,514,413.74
  5. Step 5: Solve for x
    x = 1,136,640,514,413.74/1,219,354.62
  6. Step 6: Final answer
    x = 932,165.67

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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.