Home / 1,269,177.80-1,903,773.17-427,736.84

Finding the Fourth Proportional to 1,269,177.80, 1,903,773.17 and 427,736.84

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Solution

The fourth proportional to 1,269,177.80, 1,903,773.17 and 427,736.84 is: 641,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,177.80 : 1,903,773.17 = 427,736.84 : x
  2. Step 2: Convert to fraction form
    1,269,177.80/1,903,773.17 = 427,736.84/x
  3. Step 3: Cross multiply
    1,269,177.80x = 1,903,773.17 × 427,736.84
  4. Step 4: Simplify right side
    1,269,177.80x = 814,313,911,363.06
  5. Step 5: Solve for x
    x = 814,313,911,363.06/1,269,177.80
  6. Step 6: Final answer
    x = 641,607.44

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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.