Home / 1,396,591.86-2,095,806.42-765,948.54

Finding the Fourth Proportional to 1,396,591.86, 2,095,806.42 and 765,948.54

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Solution

The fourth proportional to 1,396,591.86, 2,095,806.42 and 765,948.54 is: 1,149,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,591.86 : 2,095,806.42 = 765,948.54 : x
  2. Step 2: Convert to fraction form
    1,396,591.86/2,095,806.42 = 765,948.54/x
  3. Step 3: Cross multiply
    1,396,591.86x = 2,095,806.42 × 765,948.54
  4. Step 4: Simplify right side
    1,396,591.86x = 1,605,279,867,521.63
  5. Step 5: Solve for x
    x = 1,605,279,867,521.63/1,396,591.86
  6. Step 6: Final answer
    x = 1,149,426.62

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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.