Home / 1,378,278.67-2,067,516.52-367,395.43

Finding the Fourth Proportional to 1,378,278.67, 2,067,516.52 and 367,395.43

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Solution

The fourth proportional to 1,378,278.67, 2,067,516.52 and 367,395.43 is: 551,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,278.67 : 2,067,516.52 = 367,395.43 : x
  2. Step 2: Convert to fraction form
    1,378,278.67/2,067,516.52 = 367,395.43/x
  3. Step 3: Cross multiply
    1,378,278.67x = 2,067,516.52 × 367,395.43
  4. Step 4: Simplify right side
    1,378,278.67x = 759,596,120,897.50
  5. Step 5: Solve for x
    x = 759,596,120,897.50/1,378,278.67
  6. Step 6: Final answer
    x = 551,119.41

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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.