Home / 1,310,949.78-1,809,144.24-738,010.06

Finding the Fourth Proportional to 1,310,949.78, 1,809,144.24 and 738,010.06

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Solution

The fourth proportional to 1,310,949.78, 1,809,144.24 and 738,010.06 is: 1,018,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,949.78 : 1,809,144.24 = 738,010.06 : x
  2. Step 2: Convert to fraction form
    1,310,949.78/1,809,144.24 = 738,010.06/x
  3. Step 3: Cross multiply
    1,310,949.78x = 1,809,144.24 × 738,010.06
  4. Step 4: Simplify right side
    1,310,949.78x = 1,335,166,649,111.05
  5. Step 5: Solve for x
    x = 1,335,166,649,111.05/1,310,949.78
  6. Step 6: Final answer
    x = 1,018,472.77

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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.