Home / 1,679,657.56-2,518,969.56-481,258.78

Finding the Fourth Proportional to 1,679,657.56, 2,518,969.56 and 481,258.78

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Solution

The fourth proportional to 1,679,657.56, 2,518,969.56 and 481,258.78 is: 721,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,657.56 : 2,518,969.56 = 481,258.78 : x
  2. Step 2: Convert to fraction form
    1,679,657.56/2,518,969.56 = 481,258.78/x
  3. Step 3: Cross multiply
    1,679,657.56x = 2,518,969.56 × 481,258.78
  4. Step 4: Simplify right side
    1,679,657.56x = 1,212,276,217,302.74
  5. Step 5: Solve for x
    x = 1,212,276,217,302.74/1,679,657.56
  6. Step 6: Final answer
    x = 721,740.10

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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.