Home / 1,792,144.80-2,689,342.56-727,191.36

Finding the Fourth Proportional to 1,792,144.80, 2,689,342.56 and 727,191.36

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Solution

The fourth proportional to 1,792,144.80, 2,689,342.56 and 727,191.36 is: 1,091,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,144.80 : 2,689,342.56 = 727,191.36 : x
  2. Step 2: Convert to fraction form
    1,792,144.80/2,689,342.56 = 727,191.36/x
  3. Step 3: Cross multiply
    1,792,144.80x = 2,689,342.56 × 727,191.36
  4. Step 4: Simplify right side
    1,792,144.80x = 1,955,666,673,712.28
  5. Step 5: Solve for x
    x = 1,955,666,673,712.28/1,792,144.80
  6. Step 6: Final answer
    x = 1,091,243.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.