Home / 1,261,093.24-1,740,350.69-688,164.85

Finding the Fourth Proportional to 1,261,093.24, 1,740,350.69 and 688,164.85

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Solution

The fourth proportional to 1,261,093.24, 1,740,350.69 and 688,164.85 is: 949,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,093.24 : 1,740,350.69 = 688,164.85 : x
  2. Step 2: Convert to fraction form
    1,261,093.24/1,740,350.69 = 688,164.85/x
  3. Step 3: Cross multiply
    1,261,093.24x = 1,740,350.69 × 688,164.85
  4. Step 4: Simplify right side
    1,261,093.24x = 1,197,648,171,531.25
  5. Step 5: Solve for x
    x = 1,197,648,171,531.25/1,261,093.24
  6. Step 6: Final answer
    x = 949,690.42

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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.