Home / 1,212,433.92-1,818,650.56-413,715.40

Finding the Fourth Proportional to 1,212,433.92, 1,818,650.56 and 413,715.40

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Solution

The fourth proportional to 1,212,433.92, 1,818,650.56 and 413,715.40 is: 620,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,433.92 : 1,818,650.56 = 413,715.40 : x
  2. Step 2: Convert to fraction form
    1,212,433.92/1,818,650.56 = 413,715.40/x
  3. Step 3: Cross multiply
    1,212,433.92x = 1,818,650.56 × 413,715.40
  4. Step 4: Simplify right side
    1,212,433.92x = 752,403,743,890.62
  5. Step 5: Solve for x
    x = 752,403,743,890.62/1,212,433.92
  6. Step 6: Final answer
    x = 620,572.99

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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.