Home / 1,273,356.50-1,757,481.54-729,856.58

Finding the Fourth Proportional to 1,273,356.50, 1,757,481.54 and 729,856.58

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Solution

The fourth proportional to 1,273,356.50, 1,757,481.54 and 729,856.58 is: 1,007,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,356.50 : 1,757,481.54 = 729,856.58 : x
  2. Step 2: Convert to fraction form
    1,273,356.50/1,757,481.54 = 729,856.58/x
  3. Step 3: Cross multiply
    1,273,356.50x = 1,757,481.54 × 729,856.58
  4. Step 4: Simplify right side
    1,273,356.50x = 1,282,709,466,197.53
  5. Step 5: Solve for x
    x = 1,282,709,466,197.53/1,273,356.50
  6. Step 6: Final answer
    x = 1,007,345.13

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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.