Home / 1,393,287.94-2,090,523.66-761,463.64

Finding the Fourth Proportional to 1,393,287.94, 2,090,523.66 and 761,463.64

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Solution

The fourth proportional to 1,393,287.94, 2,090,523.66 and 761,463.64 is: 1,142,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,287.94 : 2,090,523.66 = 761,463.64 : x
  2. Step 2: Convert to fraction form
    1,393,287.94/2,090,523.66 = 761,463.64/x
  3. Step 3: Cross multiply
    1,393,287.94x = 2,090,523.66 × 761,463.64
  4. Step 4: Simplify right side
    1,393,287.94x = 1,591,857,755,649.72
  5. Step 5: Solve for x
    x = 1,591,857,755,649.72/1,393,287.94
  6. Step 6: Final answer
    x = 1,142,518.86

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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.