Home / 1,301,380.29-1,795,892.31-728,425.17

Finding the Fourth Proportional to 1,301,380.29, 1,795,892.31 and 728,425.17

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Solution

The fourth proportional to 1,301,380.29, 1,795,892.31 and 728,425.17 is: 1,005,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,380.29 : 1,795,892.31 = 728,425.17 : x
  2. Step 2: Convert to fraction form
    1,301,380.29/1,795,892.31 = 728,425.17/x
  3. Step 3: Cross multiply
    1,301,380.29x = 1,795,892.31 × 728,425.17
  4. Step 4: Simplify right side
    1,301,380.29x = 1,308,173,161,213.44
  5. Step 5: Solve for x
    x = 1,308,173,161,213.44/1,301,380.29
  6. Step 6: Final answer
    x = 1,005,219.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.