Home / 1,074,144.78-1,611,085.86-442,976.58

Finding the Fourth Proportional to 1,074,144.78, 1,611,085.86 and 442,976.58

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Solution

The fourth proportional to 1,074,144.78, 1,611,085.86 and 442,976.58 is: 664,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,144.78 : 1,611,085.86 = 442,976.58 : x
  2. Step 2: Convert to fraction form
    1,074,144.78/1,611,085.86 = 442,976.58/x
  3. Step 3: Cross multiply
    1,074,144.78x = 1,611,085.86 × 442,976.58
  4. Step 4: Simplify right side
    1,074,144.78x = 713,673,304,349.16
  5. Step 5: Solve for x
    x = 713,673,304,349.16/1,074,144.78
  6. Step 6: Final answer
    x = 664,410.72

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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.