Home / 1,185,136.38-1,635,202.76-719,976.74

Finding the Fourth Proportional to 1,185,136.38, 1,635,202.76 and 719,976.74

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Solution

The fourth proportional to 1,185,136.38, 1,635,202.76 and 719,976.74 is: 993,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,136.38 : 1,635,202.76 = 719,976.74 : x
  2. Step 2: Convert to fraction form
    1,185,136.38/1,635,202.76 = 719,976.74/x
  3. Step 3: Cross multiply
    1,185,136.38x = 1,635,202.76 × 719,976.74
  4. Step 4: Simplify right side
    1,185,136.38x = 1,177,307,940,607.90
  5. Step 5: Solve for x
    x = 1,177,307,940,607.90/1,185,136.38
  6. Step 6: Final answer
    x = 993,394.48

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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.