Home / 1,378,278.17-2,067,515.77-367,394.93

Finding the Fourth Proportional to 1,378,278.17, 2,067,515.77 and 367,394.93

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Solution

The fourth proportional to 1,378,278.17, 2,067,515.77 and 367,394.93 is: 551,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,278.17 : 2,067,515.77 = 367,394.93 : x
  2. Step 2: Convert to fraction form
    1,378,278.17/2,067,515.77 = 367,394.93/x
  3. Step 3: Cross multiply
    1,378,278.17x = 2,067,515.77 × 367,394.93
  4. Step 4: Simplify right side
    1,378,278.17x = 759,594,811,593.05
  5. Step 5: Solve for x
    x = 759,594,811,593.05/1,378,278.17
  6. Step 6: Final answer
    x = 551,118.66

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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.