Home / 1,264,393.64-1,744,846.44-720,561.80

Finding the Fourth Proportional to 1,264,393.64, 1,744,846.44 and 720,561.80

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Solution

The fourth proportional to 1,264,393.64, 1,744,846.44 and 720,561.80 is: 994,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,393.64 : 1,744,846.44 = 720,561.80 : x
  2. Step 2: Convert to fraction form
    1,264,393.64/1,744,846.44 = 720,561.80/x
  3. Step 3: Cross multiply
    1,264,393.64x = 1,744,846.44 × 720,561.80
  4. Step 4: Simplify right side
    1,264,393.64x = 1,257,269,691,529.99
  5. Step 5: Solve for x
    x = 1,257,269,691,529.99/1,264,393.64
  6. Step 6: Final answer
    x = 994,365.72

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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.