Home / 1,123,715.92-1,551,149.66-736,556.28

Finding the Fourth Proportional to 1,123,715.92, 1,551,149.66 and 736,556.28

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Solution

The fourth proportional to 1,123,715.92, 1,551,149.66 and 736,556.28 is: 1,016,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,715.92 : 1,551,149.66 = 736,556.28 : x
  2. Step 2: Convert to fraction form
    1,123,715.92/1,551,149.66 = 736,556.28/x
  3. Step 3: Cross multiply
    1,123,715.92x = 1,551,149.66 × 736,556.28
  4. Step 4: Simplify right side
    1,123,715.92x = 1,142,509,023,292.86
  5. Step 5: Solve for x
    x = 1,142,509,023,292.86/1,123,715.92
  6. Step 6: Final answer
    x = 1,016,724.07

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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.