Home / 1,855,423.10-2,560,858.10-1,268,291.51

Finding the Fourth Proportional to 1,855,423.10, 2,560,858.10 and 1,268,291.51

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Solution

The fourth proportional to 1,855,423.10, 2,560,858.10 and 1,268,291.51 is: 1,750,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,423.10 : 2,560,858.10 = 1,268,291.51 : x
  2. Step 2: Convert to fraction form
    1,855,423.10/2,560,858.10 = 1,268,291.51/x
  3. Step 3: Cross multiply
    1,855,423.10x = 2,560,858.10 × 1,268,291.51
  4. Step 4: Simplify right side
    1,855,423.10x = 3,247,914,586,544.73
  5. Step 5: Solve for x
    x = 3,247,914,586,544.73/1,855,423.10
  6. Step 6: Final answer
    x = 1,750,498.09

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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.