Home / 1,679,660.56-2,518,974.06-481,261.78

Finding the Fourth Proportional to 1,679,660.56, 2,518,974.06 and 481,261.78

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Solution

The fourth proportional to 1,679,660.56, 2,518,974.06 and 481,261.78 is: 721,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,660.56 : 2,518,974.06 = 481,261.78 : x
  2. Step 2: Convert to fraction form
    1,679,660.56/2,518,974.06 = 481,261.78/x
  3. Step 3: Cross multiply
    1,679,660.56x = 2,518,974.06 × 481,261.78
  4. Step 4: Simplify right side
    1,679,660.56x = 1,212,285,939,889.43
  5. Step 5: Solve for x
    x = 1,212,285,939,889.43/1,679,660.56
  6. Step 6: Final answer
    x = 721,744.60

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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.