Home / 1,381,796.21-2,072,694.35-539,757.47

Finding the Fourth Proportional to 1,381,796.21, 2,072,694.35 and 539,757.47

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Solution

The fourth proportional to 1,381,796.21, 2,072,694.35 and 539,757.47 is: 809,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,796.21 : 2,072,694.35 = 539,757.47 : x
  2. Step 2: Convert to fraction form
    1,381,796.21/2,072,694.35 = 539,757.47/x
  3. Step 3: Cross multiply
    1,381,796.21x = 2,072,694.35 × 539,757.47
  4. Step 4: Simplify right side
    1,381,796.21x = 1,118,752,255,740.51
  5. Step 5: Solve for x
    x = 1,118,752,255,740.51/1,381,796.21
  6. Step 6: Final answer
    x = 809,636.22

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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.