Home / 1,080,321.33-1,620,216.99-511,681.89

Finding the Fourth Proportional to 1,080,321.33, 1,620,216.99 and 511,681.89

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Solution

The fourth proportional to 1,080,321.33, 1,620,216.99 and 511,681.89 is: 767,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,321.33 : 1,620,216.99 = 511,681.89 : x
  2. Step 2: Convert to fraction form
    1,080,321.33/1,620,216.99 = 511,681.89/x
  3. Step 3: Cross multiply
    1,080,321.33x = 1,620,216.99 × 511,681.89
  4. Step 4: Simplify right side
    1,080,321.33x = 829,035,691,653.31
  5. Step 5: Solve for x
    x = 829,035,691,653.31/1,080,321.33
  6. Step 6: Final answer
    x = 767,397.32

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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.