Home / 1,206,456.77-1,809,684.12-307,898.44

Finding the Fourth Proportional to 1,206,456.77, 1,809,684.12 and 307,898.44

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Solution

The fourth proportional to 1,206,456.77, 1,809,684.12 and 307,898.44 is: 461,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,456.77 : 1,809,684.12 = 307,898.44 : x
  2. Step 2: Convert to fraction form
    1,206,456.77/1,809,684.12 = 307,898.44/x
  3. Step 3: Cross multiply
    1,206,456.77x = 1,809,684.12 × 307,898.44
  4. Step 4: Simplify right side
    1,206,456.77x = 557,198,917,440.77
  5. Step 5: Solve for x
    x = 557,198,917,440.77/1,206,456.77
  6. Step 6: Final answer
    x = 461,847.40

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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.