Home / 1,435,665.40-2,150,906.10-836,135.80

Finding the Fourth Proportional to 1,435,665.40, 2,150,906.10 and 836,135.80

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Solution

The fourth proportional to 1,435,665.40, 2,150,906.10 and 836,135.80 is: 1,252,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,665.40 : 2,150,906.10 = 836,135.80 : x
  2. Step 2: Convert to fraction form
    1,435,665.40/2,150,906.10 = 836,135.80/x
  3. Step 3: Cross multiply
    1,435,665.40x = 2,150,906.10 × 836,135.80
  4. Step 4: Simplify right side
    1,435,665.40x = 1,798,449,592,648.38
  5. Step 5: Solve for x
    x = 1,798,449,592,648.38/1,435,665.40
  6. Step 6: Final answer
    x = 1,252,694.11

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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.