Home / 1,367,286.77-1,886,893.79-755,478.95

Finding the Fourth Proportional to 1,367,286.77, 1,886,893.79 and 755,478.95

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Solution

The fourth proportional to 1,367,286.77, 1,886,893.79 and 755,478.95 is: 1,042,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,286.77 : 1,886,893.79 = 755,478.95 : x
  2. Step 2: Convert to fraction form
    1,367,286.77/1,886,893.79 = 755,478.95/x
  3. Step 3: Cross multiply
    1,367,286.77x = 1,886,893.79 × 755,478.95
  4. Step 4: Simplify right side
    1,367,286.77x = 1,425,508,539,230.72
  5. Step 5: Solve for x
    x = 1,425,508,539,230.72/1,367,286.77
  6. Step 6: Final answer
    x = 1,042,581.97

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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.