Home / 1,244,434.16-1,717,546.20-728,157.98

Finding the Fourth Proportional to 1,244,434.16, 1,717,546.20 and 728,157.98

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Solution

The fourth proportional to 1,244,434.16, 1,717,546.20 and 728,157.98 is: 1,004,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,434.16 : 1,717,546.20 = 728,157.98 : x
  2. Step 2: Convert to fraction form
    1,244,434.16/1,717,546.20 = 728,157.98/x
  3. Step 3: Cross multiply
    1,244,434.16x = 1,717,546.20 × 728,157.98
  4. Step 4: Simplify right side
    1,244,434.16x = 1,250,644,971,548.68
  5. Step 5: Solve for x
    x = 1,250,644,971,548.68/1,244,434.16
  6. Step 6: Final answer
    x = 1,004,990.87

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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.