Home / 1,382,489.34-2,074,083.90-385,217.34

Finding the Fourth Proportional to 1,382,489.34, 2,074,083.90 and 385,217.34

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Solution

The fourth proportional to 1,382,489.34, 2,074,083.90 and 385,217.34 is: 577,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,489.34 : 2,074,083.90 = 385,217.34 : x
  2. Step 2: Convert to fraction form
    1,382,489.34/2,074,083.90 = 385,217.34/x
  3. Step 3: Cross multiply
    1,382,489.34x = 2,074,083.90 × 385,217.34
  4. Step 4: Simplify right side
    1,382,489.34x = 798,973,072,524.41
  5. Step 5: Solve for x
    x = 798,973,072,524.41/1,382,489.34
  6. Step 6: Final answer
    x = 577,923.50

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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.