Home / 1,519,377.28-2,278,224.63-621,449.65

Finding the Fourth Proportional to 1,519,377.28, 2,278,224.63 and 621,449.65

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Solution

The fourth proportional to 1,519,377.28, 2,278,224.63 and 621,449.65 is: 931,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,377.28 : 2,278,224.63 = 621,449.65 : x
  2. Step 2: Convert to fraction form
    1,519,377.28/2,278,224.63 = 621,449.65/x
  3. Step 3: Cross multiply
    1,519,377.28x = 2,278,224.63 × 621,449.65
  4. Step 4: Simplify right side
    1,519,377.28x = 1,415,801,898,934.88
  5. Step 5: Solve for x
    x = 1,415,801,898,934.88/1,519,377.28
  6. Step 6: Final answer
    x = 931,830.37

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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.