Home / 1,145,992.22-1,581,518.47-636,694.59

Finding the Fourth Proportional to 1,145,992.22, 1,581,518.47 and 636,694.59

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Solution

The fourth proportional to 1,145,992.22, 1,581,518.47 and 636,694.59 is: 878,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,992.22 : 1,581,518.47 = 636,694.59 : x
  2. Step 2: Convert to fraction form
    1,145,992.22/1,581,518.47 = 636,694.59/x
  3. Step 3: Cross multiply
    1,145,992.22x = 1,581,518.47 × 636,694.59
  4. Step 4: Simplify right side
    1,145,992.22x = 1,006,944,259,366.84
  5. Step 5: Solve for x
    x = 1,006,944,259,366.84/1,145,992.22
  6. Step 6: Final answer
    x = 878,665.88

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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.