Home / 1,208,481.24-1,667,670.72-664,617

Finding the Fourth Proportional to 1,208,481.24, 1,667,670.72 and 664,617

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Solution

The fourth proportional to 1,208,481.24, 1,667,670.72 and 664,617 is: 917,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,481.24 : 1,667,670.72 = 664,617 : x
  2. Step 2: Convert to fraction form
    1,208,481.24/1,667,670.72 = 664,617/x
  3. Step 3: Cross multiply
    1,208,481.24x = 1,667,670.72 × 664,617
  4. Step 4: Simplify right side
    1,208,481.24x = 1,108,362,310,914.24
  5. Step 5: Solve for x
    x = 1,108,362,310,914.24/1,208,481.24
  6. Step 6: Final answer
    x = 917,153.10

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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.