Home / 1,648,945.71-2,275,517.34-923,791.05

Finding the Fourth Proportional to 1,648,945.71, 2,275,517.34 and 923,791.05

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Solution

The fourth proportional to 1,648,945.71, 2,275,517.34 and 923,791.05 is: 1,274,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,945.71 : 2,275,517.34 = 923,791.05 : x
  2. Step 2: Convert to fraction form
    1,648,945.71/2,275,517.34 = 923,791.05/x
  3. Step 3: Cross multiply
    1,648,945.71x = 2,275,517.34 × 923,791.05
  4. Step 4: Simplify right side
    1,648,945.71x = 2,102,102,552,811.81
  5. Step 5: Solve for x
    x = 2,102,102,552,811.81/1,648,945.71
  6. Step 6: Final answer
    x = 1,274,816.11

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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.