Home / 3,162,857.42-4,744,243.59-766,722.71

Finding the Fourth Proportional to 3,162,857.42, 4,744,243.59 and 766,722.71

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Solution

The fourth proportional to 3,162,857.42, 4,744,243.59 and 766,722.71 is: 1,150,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,857.42 : 4,744,243.59 = 766,722.71 : x
  2. Step 2: Convert to fraction form
    3,162,857.42/4,744,243.59 = 766,722.71/x
  3. Step 3: Cross multiply
    3,162,857.42x = 4,744,243.59 × 766,722.71
  4. Step 4: Simplify right side
    3,162,857.42x = 3,637,519,278,503.71
  5. Step 5: Solve for x
    x = 3,637,519,278,503.71/3,162,857.42
  6. Step 6: Final answer
    x = 1,150,073.75

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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.