Home / 1,378,138.60-2,067,207.90-367,258.60

Finding the Fourth Proportional to 1,378,138.60, 2,067,207.90 and 367,258.60

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Solution

The fourth proportional to 1,378,138.60, 2,067,207.90 and 367,258.60 is: 550,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,138.60 : 2,067,207.90 = 367,258.60 : x
  2. Step 2: Convert to fraction form
    1,378,138.60/2,067,207.90 = 367,258.60/x
  3. Step 3: Cross multiply
    1,378,138.60x = 2,067,207.90 × 367,258.60
  4. Step 4: Simplify right side
    1,378,138.60x = 759,199,879,262.94
  5. Step 5: Solve for x
    x = 759,199,879,262.94/1,378,138.60
  6. Step 6: Final answer
    x = 550,887.90

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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.