Home / 1,264,422.34-1,744,933.13-720,546.50

Finding the Fourth Proportional to 1,264,422.34, 1,744,933.13 and 720,546.50

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Solution

The fourth proportional to 1,264,422.34, 1,744,933.13 and 720,546.50 is: 994,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,422.34 : 1,744,933.13 = 720,546.50 : x
  2. Step 2: Convert to fraction form
    1,264,422.34/1,744,933.13 = 720,546.50/x
  3. Step 3: Cross multiply
    1,264,422.34x = 1,744,933.13 × 720,546.50
  4. Step 4: Simplify right side
    1,264,422.34x = 1,257,305,459,555.55
  5. Step 5: Solve for x
    x = 1,257,305,459,555.55/1,264,422.34
  6. Step 6: Final answer
    x = 994,371.44

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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.