Home / 1,393,288.44-2,090,524.41-761,464.14

Finding the Fourth Proportional to 1,393,288.44, 2,090,524.41 and 761,464.14

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Solution

The fourth proportional to 1,393,288.44, 2,090,524.41 and 761,464.14 is: 1,142,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,288.44 : 2,090,524.41 = 761,464.14 : x
  2. Step 2: Convert to fraction form
    1,393,288.44/2,090,524.41 = 761,464.14/x
  3. Step 3: Cross multiply
    1,393,288.44x = 2,090,524.41 × 761,464.14
  4. Step 4: Simplify right side
    1,393,288.44x = 1,591,859,372,009.66
  5. Step 5: Solve for x
    x = 1,591,859,372,009.66/1,393,288.44
  6. Step 6: Final answer
    x = 1,142,519.61

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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.