Home / 1,261,137.92-1,892,454.32-1,181,343.44

Finding the Fourth Proportional to 1,261,137.92, 1,892,454.32 and 1,181,343.44

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Solution

The fourth proportional to 1,261,137.92, 1,892,454.32 and 1,181,343.44 is: 1,772,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,137.92 : 1,892,454.32 = 1,181,343.44 : x
  2. Step 2: Convert to fraction form
    1,261,137.92/1,892,454.32 = 1,181,343.44/x
  3. Step 3: Cross multiply
    1,261,137.92x = 1,892,454.32 × 1,181,343.44
  4. Step 4: Simplify right side
    1,261,137.92x = 2,235,638,496,431.66
  5. Step 5: Solve for x
    x = 2,235,638,496,431.66/1,261,137.92
  6. Step 6: Final answer
    x = 1,772,715.31

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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.