Home / 1,367,550.07-2,051,351.53-420,919.88

Finding the Fourth Proportional to 1,367,550.07, 2,051,351.53 and 420,919.88

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Solution

The fourth proportional to 1,367,550.07, 2,051,351.53 and 420,919.88 is: 631,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,550.07 : 2,051,351.53 = 420,919.88 : x
  2. Step 2: Convert to fraction form
    1,367,550.07/2,051,351.53 = 420,919.88/x
  3. Step 3: Cross multiply
    1,367,550.07x = 2,051,351.53 × 420,919.88
  4. Step 4: Simplify right side
    1,367,550.07x = 863,454,628,536.36
  5. Step 5: Solve for x
    x = 863,454,628,536.36/1,367,550.07
  6. Step 6: Final answer
    x = 631,387.95

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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.