Home / 1,269,055.16-1,899,842.92-1,111,591.16

Finding the Fourth Proportional to 1,269,055.16, 1,899,842.92 and 1,111,591.16

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Solution

The fourth proportional to 1,269,055.16, 1,899,842.92 and 1,111,591.16 is: 1,664,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,055.16 : 1,899,842.92 = 1,111,591.16 : x
  2. Step 2: Convert to fraction form
    1,269,055.16/1,899,842.92 = 1,111,591.16/x
  3. Step 3: Cross multiply
    1,269,055.16x = 1,899,842.92 × 1,111,591.16
  4. Step 4: Simplify right side
    1,269,055.16x = 2,111,848,595,260.59
  5. Step 5: Solve for x
    x = 2,111,848,595,260.59/1,269,055.16
  6. Step 6: Final answer
    x = 1,664,110.96

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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.