Home / 1,269,901.27-1,752,407.54-696,942.55

Finding the Fourth Proportional to 1,269,901.27, 1,752,407.54 and 696,942.55

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Solution

The fourth proportional to 1,269,901.27, 1,752,407.54 and 696,942.55 is: 961,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,901.27 : 1,752,407.54 = 696,942.55 : x
  2. Step 2: Convert to fraction form
    1,269,901.27/1,752,407.54 = 696,942.55/x
  3. Step 3: Cross multiply
    1,269,901.27x = 1,752,407.54 × 696,942.55
  4. Step 4: Simplify right side
    1,269,901.27x = 1,221,327,376,082.11
  5. Step 5: Solve for x
    x = 1,221,327,376,082.11/1,269,901.27
  6. Step 6: Final answer
    x = 961,749.87

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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.