Home / 1,159,104.73-1,599,540.69-642,775.30

Finding the Fourth Proportional to 1,159,104.73, 1,599,540.69 and 642,775.30

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Solution

The fourth proportional to 1,159,104.73, 1,599,540.69 and 642,775.30 is: 887,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,104.73 : 1,599,540.69 = 642,775.30 : x
  2. Step 2: Convert to fraction form
    1,159,104.73/1,599,540.69 = 642,775.30/x
  3. Step 3: Cross multiply
    1,159,104.73x = 1,599,540.69 × 642,775.30
  4. Step 4: Simplify right side
    1,159,104.73x = 1,028,145,246,876.96
  5. Step 5: Solve for x
    x = 1,028,145,246,876.96/1,159,104.73
  6. Step 6: Final answer
    x = 887,016.70

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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.