Home / 1,259,924.77-1,890,772.92-1,139,464.81

Finding the Fourth Proportional to 1,259,924.77, 1,890,772.92 and 1,139,464.81

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Solution

The fourth proportional to 1,259,924.77, 1,890,772.92 and 1,139,464.81 is: 1,709,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,924.77 : 1,890,772.92 = 1,139,464.81 : x
  2. Step 2: Convert to fraction form
    1,259,924.77/1,890,772.92 = 1,139,464.81/x
  3. Step 3: Cross multiply
    1,259,924.77x = 1,890,772.92 × 1,139,464.81
  4. Step 4: Simplify right side
    1,259,924.77x = 2,154,469,206,040.95
  5. Step 5: Solve for x
    x = 2,154,469,206,040.95/1,259,924.77
  6. Step 6: Final answer
    x = 1,709,998.29

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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.