Home / 1,379,984.58-2,069,321.31-481,317.12

Finding the Fourth Proportional to 1,379,984.58, 2,069,321.31 and 481,317.12

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Solution

The fourth proportional to 1,379,984.58, 2,069,321.31 and 481,317.12 is: 721,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,984.58 : 2,069,321.31 = 481,317.12 : x
  2. Step 2: Convert to fraction form
    1,379,984.58/2,069,321.31 = 481,317.12/x
  3. Step 3: Cross multiply
    1,379,984.58x = 2,069,321.31 × 481,317.12
  4. Step 4: Simplify right side
    1,379,984.58x = 995,999,773,283.83
  5. Step 5: Solve for x
    x = 995,999,773,283.83/1,379,984.58
  6. Step 6: Final answer
    x = 721,747.03

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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.