Home / 1,494,818.70-2,243,212.20-855,121.20

Finding the Fourth Proportional to 1,494,818.70, 2,243,212.20 and 855,121.20

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Solution

The fourth proportional to 1,494,818.70, 2,243,212.20 and 855,121.20 is: 1,283,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,818.70 : 2,243,212.20 = 855,121.20 : x
  2. Step 2: Convert to fraction form
    1,494,818.70/2,243,212.20 = 855,121.20/x
  3. Step 3: Cross multiply
    1,494,818.70x = 2,243,212.20 × 855,121.20
  4. Step 4: Simplify right side
    1,494,818.70x = 1,918,218,308,318.64
  5. Step 5: Solve for x
    x = 1,918,218,308,318.64/1,494,818.70
  6. Step 6: Final answer
    x = 1,283,244.79

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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.