Home / 1,127,651.85-1,692,921.21-968,744.43

Finding the Fourth Proportional to 1,127,651.85, 1,692,921.21 and 968,744.43

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Solution

The fourth proportional to 1,127,651.85, 1,692,921.21 and 968,744.43 is: 1,454,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,651.85 : 1,692,921.21 = 968,744.43 : x
  2. Step 2: Convert to fraction form
    1,127,651.85/1,692,921.21 = 968,744.43/x
  3. Step 3: Cross multiply
    1,127,651.85x = 1,692,921.21 × 968,744.43
  4. Step 4: Simplify right side
    1,127,651.85x = 1,640,007,992,616.36
  5. Step 5: Solve for x
    x = 1,640,007,992,616.36/1,127,651.85
  6. Step 6: Final answer
    x = 1,454,356.67

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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.