Home / 1,261,736.24-1,892,139.24-992,391.44

Finding the Fourth Proportional to 1,261,736.24, 1,892,139.24 and 992,391.44

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Solution

The fourth proportional to 1,261,736.24, 1,892,139.24 and 992,391.44 is: 1,488,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,736.24 : 1,892,139.24 = 992,391.44 : x
  2. Step 2: Convert to fraction form
    1,261,736.24/1,892,139.24 = 992,391.44/x
  3. Step 3: Cross multiply
    1,261,736.24x = 1,892,139.24 × 992,391.44
  4. Step 4: Simplify right side
    1,261,736.24x = 1,877,742,785,064.11
  5. Step 5: Solve for x
    x = 1,877,742,785,064.11/1,261,736.24
  6. Step 6: Final answer
    x = 1,488,221.33

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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.