Home / 1,679,656.56-2,518,968.06-481,257.78

Finding the Fourth Proportional to 1,679,656.56, 2,518,968.06 and 481,257.78

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Solution

The fourth proportional to 1,679,656.56, 2,518,968.06 and 481,257.78 is: 721,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,656.56 : 2,518,968.06 = 481,257.78 : x
  2. Step 2: Convert to fraction form
    1,679,656.56/2,518,968.06 = 481,257.78/x
  3. Step 3: Cross multiply
    1,679,656.56x = 2,518,968.06 × 481,257.78
  4. Step 4: Simplify right side
    1,679,656.56x = 1,212,272,976,446.51
  5. Step 5: Solve for x
    x = 1,212,272,976,446.51/1,679,656.56
  6. Step 6: Final answer
    x = 721,738.60

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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.