Home / 1,394,160.20-2,091,240.30-832,905.80

Finding the Fourth Proportional to 1,394,160.20, 2,091,240.30 and 832,905.80

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Solution

The fourth proportional to 1,394,160.20, 2,091,240.30 and 832,905.80 is: 1,249,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,160.20 : 2,091,240.30 = 832,905.80 : x
  2. Step 2: Convert to fraction form
    1,394,160.20/2,091,240.30 = 832,905.80/x
  3. Step 3: Cross multiply
    1,394,160.20x = 2,091,240.30 × 832,905.80
  4. Step 4: Simplify right side
    1,394,160.20x = 1,741,806,175,063.74
  5. Step 5: Solve for x
    x = 1,741,806,175,063.74/1,394,160.20
  6. Step 6: Final answer
    x = 1,249,358.70

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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.