Home / 1,540,139.39-2,310,213-629,321.88

Finding the Fourth Proportional to 1,540,139.39, 2,310,213 and 629,321.88

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Solution

The fourth proportional to 1,540,139.39, 2,310,213 and 629,321.88 is: 943,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,139.39 : 2,310,213 = 629,321.88 : x
  2. Step 2: Convert to fraction form
    1,540,139.39/2,310,213 = 629,321.88/x
  3. Step 3: Cross multiply
    1,540,139.39x = 2,310,213 × 629,321.88
  4. Step 4: Simplify right side
    1,540,139.39x = 1,453,867,588,360.44
  5. Step 5: Solve for x
    x = 1,453,867,588,360.44/1,540,139.39
  6. Step 6: Final answer
    x = 943,984.42

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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.