Home / 1,159,038.31-1,599,568.62-642,958.59

Finding the Fourth Proportional to 1,159,038.31, 1,599,568.62 and 642,958.59

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Solution

The fourth proportional to 1,159,038.31, 1,599,568.62 and 642,958.59 is: 887,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,038.31 : 1,599,568.62 = 642,958.59 : x
  2. Step 2: Convert to fraction form
    1,159,038.31/1,599,568.62 = 642,958.59/x
  3. Step 3: Cross multiply
    1,159,038.31x = 1,599,568.62 × 642,958.59
  4. Step 4: Simplify right side
    1,159,038.31x = 1,028,456,384,523.45
  5. Step 5: Solve for x
    x = 1,028,456,384,523.45/1,159,038.31
  6. Step 6: Final answer
    x = 887,335.97

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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.