Home / 1,096,248.70-1,645,107.45-386,278.30

Finding the Fourth Proportional to 1,096,248.70, 1,645,107.45 and 386,278.30

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Solution

The fourth proportional to 1,096,248.70, 1,645,107.45 and 386,278.30 is: 579,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,248.70 : 1,645,107.45 = 386,278.30 : x
  2. Step 2: Convert to fraction form
    1,096,248.70/1,645,107.45 = 386,278.30/x
  3. Step 3: Cross multiply
    1,096,248.70x = 1,645,107.45 × 386,278.30
  4. Step 4: Simplify right side
    1,096,248.70x = 635,469,309,103.34
  5. Step 5: Solve for x
    x = 635,469,309,103.34/1,096,248.70
  6. Step 6: Final answer
    x = 579,676.23

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Double scale
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1.5x scale

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.