Home / 1,269,847.42-1,752,410.82-696,940.90

Finding the Fourth Proportional to 1,269,847.42, 1,752,410.82 and 696,940.90

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Solution

The fourth proportional to 1,269,847.42, 1,752,410.82 and 696,940.90 is: 961,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,847.42 : 1,752,410.82 = 696,940.90 : x
  2. Step 2: Convert to fraction form
    1,269,847.42/1,752,410.82 = 696,940.90/x
  3. Step 3: Cross multiply
    1,269,847.42x = 1,752,410.82 × 696,940.90
  4. Step 4: Simplify right side
    1,269,847.42x = 1,221,326,774,060.54
  5. Step 5: Solve for x
    x = 1,221,326,774,060.54/1,269,847.42
  6. Step 6: Final answer
    x = 961,790.18

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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.