Home / 1,393,949.82-2,090,947.66-383,065.46

Finding the Fourth Proportional to 1,393,949.82, 2,090,947.66 and 383,065.46

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Solution

The fourth proportional to 1,393,949.82, 2,090,947.66 and 383,065.46 is: 574,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,949.82 : 2,090,947.66 = 383,065.46 : x
  2. Step 2: Convert to fraction form
    1,393,949.82/2,090,947.66 = 383,065.46/x
  3. Step 3: Cross multiply
    1,393,949.82x = 2,090,947.66 × 383,065.46
  4. Step 4: Simplify right side
    1,393,949.82x = 800,969,827,213.82
  5. Step 5: Solve for x
    x = 800,969,827,213.82/1,393,949.82
  6. Step 6: Final answer
    x = 574,604.49

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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.