Home / 1,791,158.96-2,687,788.24-1,285,174.64

Finding the Fourth Proportional to 1,791,158.96, 2,687,788.24 and 1,285,174.64

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Solution

The fourth proportional to 1,791,158.96, 2,687,788.24 and 1,285,174.64 is: 1,928,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,158.96 : 2,687,788.24 = 1,285,174.64 : x
  2. Step 2: Convert to fraction form
    1,791,158.96/2,687,788.24 = 1,285,174.64/x
  3. Step 3: Cross multiply
    1,791,158.96x = 2,687,788.24 × 1,285,174.64
  4. Step 4: Simplify right side
    1,791,158.96x = 3,454,277,283,738.23
  5. Step 5: Solve for x
    x = 3,454,277,283,738.23/1,791,158.96
  6. Step 6: Final answer
    x = 1,928,515.20

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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.