Home / 1,091,682.25-1,629,847.28-834,167.12

Finding the Fourth Proportional to 1,091,682.25, 1,629,847.28 and 834,167.12

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Solution

The fourth proportional to 1,091,682.25, 1,629,847.28 and 834,167.12 is: 1,245,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,682.25 : 1,629,847.28 = 834,167.12 : x
  2. Step 2: Convert to fraction form
    1,091,682.25/1,629,847.28 = 834,167.12/x
  3. Step 3: Cross multiply
    1,091,682.25x = 1,629,847.28 × 834,167.12
  4. Step 4: Simplify right side
    1,091,682.25x = 1,359,565,005,533.62
  5. Step 5: Solve for x
    x = 1,359,565,005,533.62/1,091,682.25
  6. Step 6: Final answer
    x = 1,245,385.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.