Home / 1,571,310.39-2,168,246.78-882,872.87

Finding the Fourth Proportional to 1,571,310.39, 2,168,246.78 and 882,872.87

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Solution

The fourth proportional to 1,571,310.39, 2,168,246.78 and 882,872.87 is: 1,218,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,310.39 : 2,168,246.78 = 882,872.87 : x
  2. Step 2: Convert to fraction form
    1,571,310.39/2,168,246.78 = 882,872.87/x
  3. Step 3: Cross multiply
    1,571,310.39x = 2,168,246.78 × 882,872.87
  4. Step 4: Simplify right side
    1,571,310.39x = 1,914,286,245,582.03
  5. Step 5: Solve for x
    x = 1,914,286,245,582.03/1,571,310.39
  6. Step 6: Final answer
    x = 1,218,273.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.