Home / 1,123,791.27-1,549,506.83-908,264.85

Finding the Fourth Proportional to 1,123,791.27, 1,549,506.83 and 908,264.85

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Solution

The fourth proportional to 1,123,791.27, 1,549,506.83 and 908,264.85 is: 1,252,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,791.27 : 1,549,506.83 = 908,264.85 : x
  2. Step 2: Convert to fraction form
    1,123,791.27/1,549,506.83 = 908,264.85/x
  3. Step 3: Cross multiply
    1,123,791.27x = 1,549,506.83 × 908,264.85
  4. Step 4: Simplify right side
    1,123,791.27x = 1,407,362,583,982.60
  5. Step 5: Solve for x
    x = 1,407,362,583,982.60/1,123,791.27
  6. Step 6: Final answer
    x = 1,252,334.51

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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.