Home / 1,261,309.45-1,890,838.88-462,404.42

Finding the Fourth Proportional to 1,261,309.45, 1,890,838.88 and 462,404.42

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Solution

The fourth proportional to 1,261,309.45, 1,890,838.88 and 462,404.42 is: 693,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,309.45 : 1,890,838.88 = 462,404.42 : x
  2. Step 2: Convert to fraction form
    1,261,309.45/1,890,838.88 = 462,404.42/x
  3. Step 3: Cross multiply
    1,261,309.45x = 1,890,838.88 × 462,404.42
  4. Step 4: Simplify right side
    1,261,309.45x = 874,332,259,190.94
  5. Step 5: Solve for x
    x = 874,332,259,190.94/1,261,309.45
  6. Step 6: Final answer
    x = 693,194.09

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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.