Home / 1,885,427.28-2,601,884.84-1,025,987.31

Finding the Fourth Proportional to 1,885,427.28, 2,601,884.84 and 1,025,987.31

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Solution

The fourth proportional to 1,885,427.28, 2,601,884.84 and 1,025,987.31 is: 1,415,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,427.28 : 2,601,884.84 = 1,025,987.31 : x
  2. Step 2: Convert to fraction form
    1,885,427.28/2,601,884.84 = 1,025,987.31/x
  3. Step 3: Cross multiply
    1,885,427.28x = 2,601,884.84 × 1,025,987.31
  4. Step 4: Simplify right side
    1,885,427.28x = 2,669,500,822,791.44
  5. Step 5: Solve for x
    x = 2,669,500,822,791.44/1,885,427.28
  6. Step 6: Final answer
    x = 1,415,859.87

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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.