Home / 1,380,351.68-1,904,392.28-799,257.65

Finding the Fourth Proportional to 1,380,351.68, 1,904,392.28 and 799,257.65

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Solution

The fourth proportional to 1,380,351.68, 1,904,392.28 and 799,257.65 is: 1,102,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,351.68 : 1,904,392.28 = 799,257.65 : x
  2. Step 2: Convert to fraction form
    1,380,351.68/1,904,392.28 = 799,257.65/x
  3. Step 3: Cross multiply
    1,380,351.68x = 1,904,392.28 × 799,257.65
  4. Step 4: Simplify right side
    1,380,351.68x = 1,522,100,090,867.12
  5. Step 5: Solve for x
    x = 1,522,100,090,867.12/1,380,351.68
  6. Step 6: Final answer
    x = 1,102,690.07

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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.