Home / 1,200,467.88-1,656,286.02-691,157.16

Finding the Fourth Proportional to 1,200,467.88, 1,656,286.02 and 691,157.16

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Solution

The fourth proportional to 1,200,467.88, 1,656,286.02 and 691,157.16 is: 953,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,467.88 : 1,656,286.02 = 691,157.16 : x
  2. Step 2: Convert to fraction form
    1,200,467.88/1,656,286.02 = 691,157.16/x
  3. Step 3: Cross multiply
    1,200,467.88x = 1,656,286.02 × 691,157.16
  4. Step 4: Simplify right side
    1,200,467.88x = 1,144,753,941,730.90
  5. Step 5: Solve for x
    x = 1,144,753,941,730.90/1,200,467.88
  6. Step 6: Final answer
    x = 953,589.81

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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.