Home / 2,245,228.78-3,368,374.32-728,908.78

Finding the Fourth Proportional to 2,245,228.78, 3,368,374.32 and 728,908.78

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Solution

The fourth proportional to 2,245,228.78, 3,368,374.32 and 728,908.78 is: 1,093,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,228.78 : 3,368,374.32 = 728,908.78 : x
  2. Step 2: Convert to fraction form
    2,245,228.78/3,368,374.32 = 728,908.78/x
  3. Step 3: Cross multiply
    2,245,228.78x = 3,368,374.32 × 728,908.78
  4. Step 4: Simplify right side
    2,245,228.78x = 2,455,237,599,332.66
  5. Step 5: Solve for x
    x = 2,455,237,599,332.66/2,245,228.78
  6. Step 6: Final answer
    x = 1,093,535.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.