Home / 1,109,258.90-1,659,510.46-840,162.21

Finding the Fourth Proportional to 1,109,258.90, 1,659,510.46 and 840,162.21

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Solution

The fourth proportional to 1,109,258.90, 1,659,510.46 and 840,162.21 is: 1,256,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,258.90 : 1,659,510.46 = 840,162.21 : x
  2. Step 2: Convert to fraction form
    1,109,258.90/1,659,510.46 = 840,162.21/x
  3. Step 3: Cross multiply
    1,109,258.90x = 1,659,510.46 × 840,162.21
  4. Step 4: Simplify right side
    1,109,258.90x = 1,394,257,982,865.08
  5. Step 5: Solve for x
    x = 1,394,257,982,865.08/1,109,258.90
  6. Step 6: Final answer
    x = 1,256,927.48

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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.