Home / 1,208,442.54-1,667,617.40-664,578.27

Finding the Fourth Proportional to 1,208,442.54, 1,667,617.40 and 664,578.27

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Solution

The fourth proportional to 1,208,442.54, 1,667,617.40 and 664,578.27 is: 917,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,442.54 : 1,667,617.40 = 664,578.27 : x
  2. Step 2: Convert to fraction form
    1,208,442.54/1,667,617.40 = 664,578.27/x
  3. Step 3: Cross multiply
    1,208,442.54x = 1,667,617.40 × 664,578.27
  4. Step 4: Simplify right side
    1,208,442.54x = 1,108,262,288,375.34
  5. Step 5: Solve for x
    x = 1,108,262,288,375.34/1,208,442.54
  6. Step 6: Final answer
    x = 917,099.70

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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.