Home / 1,311,153.35-1,809,151.48-730,362.02

Finding the Fourth Proportional to 1,311,153.35, 1,809,151.48 and 730,362.02

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Solution

The fourth proportional to 1,311,153.35, 1,809,151.48 and 730,362.02 is: 1,007,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,153.35 : 1,809,151.48 = 730,362.02 : x
  2. Step 2: Convert to fraction form
    1,311,153.35/1,809,151.48 = 730,362.02/x
  3. Step 3: Cross multiply
    1,311,153.35x = 1,809,151.48 × 730,362.02
  4. Step 4: Simplify right side
    1,311,153.35x = 1,321,335,519,231.84
  5. Step 5: Solve for x
    x = 1,321,335,519,231.84/1,311,153.35
  6. Step 6: Final answer
    x = 1,007,765.81

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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.