Home / 1,367,086.87-1,886,570.92-755,279.09

Finding the Fourth Proportional to 1,367,086.87, 1,886,570.92 and 755,279.09

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Solution

The fourth proportional to 1,367,086.87, 1,886,570.92 and 755,279.09 is: 1,042,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,086.87 : 1,886,570.92 = 755,279.09 : x
  2. Step 2: Convert to fraction form
    1,367,086.87/1,886,570.92 = 755,279.09/x
  3. Step 3: Cross multiply
    1,367,086.87x = 1,886,570.92 × 755,279.09
  4. Step 4: Simplify right side
    1,367,086.87x = 1,424,887,562,015.50
  5. Step 5: Solve for x
    x = 1,424,887,562,015.50/1,367,086.87
  6. Step 6: Final answer
    x = 1,042,280.19

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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.