Home / 1,278,200.54-1,764,555.94-794,921.38

Finding the Fourth Proportional to 1,278,200.54, 1,764,555.94 and 794,921.38

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Solution

The fourth proportional to 1,278,200.54, 1,764,555.94 and 794,921.38 is: 1,097,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,200.54 : 1,764,555.94 = 794,921.38 : x
  2. Step 2: Convert to fraction form
    1,278,200.54/1,764,555.94 = 794,921.38/x
  3. Step 3: Cross multiply
    1,278,200.54x = 1,764,555.94 × 794,921.38
  4. Step 4: Simplify right side
    1,278,200.54x = 1,402,683,242,912.00
  5. Step 5: Solve for x
    x = 1,402,683,242,912.00/1,278,200.54
  6. Step 6: Final answer
    x = 1,097,389.02

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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.