Home / 1,664,787.20-2,498,347.20-1,067,201.60

Finding the Fourth Proportional to 1,664,787.20, 2,498,347.20 and 1,067,201.60

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Solution

The fourth proportional to 1,664,787.20, 2,498,347.20 and 1,067,201.60 is: 1,601,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,787.20 : 2,498,347.20 = 1,067,201.60 : x
  2. Step 2: Convert to fraction form
    1,664,787.20/2,498,347.20 = 1,067,201.60/x
  3. Step 3: Cross multiply
    1,664,787.20x = 2,498,347.20 × 1,067,201.60
  4. Step 4: Simplify right side
    1,664,787.20x = 2,666,240,129,195.52
  5. Step 5: Solve for x
    x = 2,666,240,129,195.52/1,664,787.20
  6. Step 6: Final answer
    x = 1,601,550.11

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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.