Home / 1,145,993.06-1,581,519.63-636,695.44

Finding the Fourth Proportional to 1,145,993.06, 1,581,519.63 and 636,695.44

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Solution

The fourth proportional to 1,145,993.06, 1,581,519.63 and 636,695.44 is: 878,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,993.06 : 1,581,519.63 = 636,695.44 : x
  2. Step 2: Convert to fraction form
    1,145,993.06/1,581,519.63 = 636,695.44/x
  3. Step 3: Cross multiply
    1,145,993.06x = 1,581,519.63 × 636,695.44
  4. Step 4: Simplify right side
    1,145,993.06x = 1,006,946,335,125.30
  5. Step 5: Solve for x
    x = 1,006,946,335,125.30/1,145,993.06
  6. Step 6: Final answer
    x = 878,667.04

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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.