Home / 1,437,940.73-2,156,911.82-491,320.73

Finding the Fourth Proportional to 1,437,940.73, 2,156,911.82 and 491,320.73

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Solution

The fourth proportional to 1,437,940.73, 2,156,911.82 and 491,320.73 is: 736,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,940.73 : 2,156,911.82 = 491,320.73 : x
  2. Step 2: Convert to fraction form
    1,437,940.73/2,156,911.82 = 491,320.73/x
  3. Step 3: Cross multiply
    1,437,940.73x = 2,156,911.82 × 491,320.73
  4. Step 4: Simplify right side
    1,437,940.73x = 1,059,735,489,948.03
  5. Step 5: Solve for x
    x = 1,059,735,489,948.03/1,437,940.73
  6. Step 6: Final answer
    x = 736,981.34

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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.