Home / 1,269,180.11-1,903,776.65-427,739.15

Finding the Fourth Proportional to 1,269,180.11, 1,903,776.65 and 427,739.15

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Solution

The fourth proportional to 1,269,180.11, 1,903,776.65 and 427,739.15 is: 641,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,180.11 : 1,903,776.65 = 427,739.15 : x
  2. Step 2: Convert to fraction form
    1,269,180.11/1,903,776.65 = 427,739.15/x
  3. Step 3: Cross multiply
    1,269,180.11x = 1,903,776.65 × 427,739.15
  4. Step 4: Simplify right side
    1,269,180.11x = 814,319,806,060.85
  5. Step 5: Solve for x
    x = 814,319,806,060.85/1,269,180.11
  6. Step 6: Final answer
    x = 641,610.91

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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.