Home / 1,109,260.84-1,659,513.36-840,164.15

Finding the Fourth Proportional to 1,109,260.84, 1,659,513.36 and 840,164.15

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Solution

The fourth proportional to 1,109,260.84, 1,659,513.36 and 840,164.15 is: 1,256,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,260.84 : 1,659,513.36 = 840,164.15 : x
  2. Step 2: Convert to fraction form
    1,109,260.84/1,659,513.36 = 840,164.15/x
  3. Step 3: Cross multiply
    1,109,260.84x = 1,659,513.36 × 840,164.15
  4. Step 4: Simplify right side
    1,109,260.84x = 1,394,263,631,518.04
  5. Step 5: Solve for x
    x = 1,394,263,631,518.04/1,109,260.84
  6. Step 6: Final answer
    x = 1,256,930.36

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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.