Home / 1,320,393.32-1,981,325.68-713,169.33

Finding the Fourth Proportional to 1,320,393.32, 1,981,325.68 and 713,169.33

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Solution

The fourth proportional to 1,320,393.32, 1,981,325.68 and 713,169.33 is: 1,070,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,393.32 : 1,981,325.68 = 713,169.33 : x
  2. Step 2: Convert to fraction form
    1,320,393.32/1,981,325.68 = 713,169.33/x
  3. Step 3: Cross multiply
    1,320,393.32x = 1,981,325.68 × 713,169.33
  4. Step 4: Simplify right side
    1,320,393.32x = 1,413,020,698,504.50
  5. Step 5: Solve for x
    x = 1,413,020,698,504.50/1,320,393.32
  6. Step 6: Final answer
    x = 1,070,151.35

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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.