Home / 840,209.76-1,150,212.42-834,206.04

Finding the Fourth Proportional to 840,209.76, 1,150,212.42 and 834,206.04

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Solution

The fourth proportional to 840,209.76, 1,150,212.42 and 834,206.04 is: 1,141,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,209.76 : 1,150,212.42 = 834,206.04 : x
  2. Step 2: Convert to fraction form
    840,209.76/1,150,212.42 = 834,206.04/x
  3. Step 3: Cross multiply
    840,209.76x = 1,150,212.42 × 834,206.04
  4. Step 4: Simplify right side
    840,209.76x = 959,514,148,047.02
  5. Step 5: Solve for x
    x = 959,514,148,047.02/840,209.76
  6. Step 6: Final answer
    x = 1,141,993.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.