Home / 1,855,422.10-2,560,856.72-1,268,290.51

Finding the Fourth Proportional to 1,855,422.10, 2,560,856.72 and 1,268,290.51

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Solution

The fourth proportional to 1,855,422.10, 2,560,856.72 and 1,268,290.51 is: 1,750,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,422.10 : 2,560,856.72 = 1,268,290.51 : x
  2. Step 2: Convert to fraction form
    1,855,422.10/2,560,856.72 = 1,268,290.51/x
  3. Step 3: Cross multiply
    1,855,422.10x = 2,560,856.72 × 1,268,290.51
  4. Step 4: Simplify right side
    1,855,422.10x = 3,247,910,262,702.13
  5. Step 5: Solve for x
    x = 3,247,910,262,702.13/1,855,422.10
  6. Step 6: Final answer
    x = 1,750,496.70

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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.