Home / 1,188,007.53-1,781,421.14-378,286.23

Finding the Fourth Proportional to 1,188,007.53, 1,781,421.14 and 378,286.23

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Solution

The fourth proportional to 1,188,007.53, 1,781,421.14 and 378,286.23 is: 567,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,007.53 : 1,781,421.14 = 378,286.23 : x
  2. Step 2: Convert to fraction form
    1,188,007.53/1,781,421.14 = 378,286.23/x
  3. Step 3: Cross multiply
    1,188,007.53x = 1,781,421.14 × 378,286.23
  4. Step 4: Simplify right side
    1,188,007.53x = 673,887,085,201.47
  5. Step 5: Solve for x
    x = 673,887,085,201.47/1,188,007.53
  6. Step 6: Final answer
    x = 567,241.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.