Home / 1,266,144.37-1,747,445.63-722,155.46

Finding the Fourth Proportional to 1,266,144.37, 1,747,445.63 and 722,155.46

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Solution

The fourth proportional to 1,266,144.37, 1,747,445.63 and 722,155.46 is: 996,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,144.37 : 1,747,445.63 = 722,155.46 : x
  2. Step 2: Convert to fraction form
    1,266,144.37/1,747,445.63 = 722,155.46/x
  3. Step 3: Cross multiply
    1,266,144.37x = 1,747,445.63 × 722,155.46
  4. Step 4: Simplify right side
    1,266,144.37x = 1,261,927,409,297.30
  5. Step 5: Solve for x
    x = 1,261,927,409,297.30/1,266,144.37
  6. Step 6: Final answer
    x = 996,669.44

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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.