Home / 1,791,159.96-2,687,789.74-1,285,175.64

Finding the Fourth Proportional to 1,791,159.96, 2,687,789.74 and 1,285,175.64

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Solution

The fourth proportional to 1,791,159.96, 2,687,789.74 and 1,285,175.64 is: 1,928,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,159.96 : 2,687,789.74 = 1,285,175.64 : x
  2. Step 2: Convert to fraction form
    1,791,159.96/2,687,789.74 = 1,285,175.64/x
  3. Step 3: Cross multiply
    1,791,159.96x = 2,687,789.74 × 1,285,175.64
  4. Step 4: Simplify right side
    1,791,159.96x = 3,454,281,899,289.93
  5. Step 5: Solve for x
    x = 3,454,281,899,289.93/1,791,159.96
  6. Step 6: Final answer
    x = 1,928,516.70

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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.