Home / 1,372,894.20-2,059,319.23-426,265.83

Finding the Fourth Proportional to 1,372,894.20, 2,059,319.23 and 426,265.83

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Solution

The fourth proportional to 1,372,894.20, 2,059,319.23 and 426,265.83 is: 639,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,894.20 : 2,059,319.23 = 426,265.83 : x
  2. Step 2: Convert to fraction form
    1,372,894.20/2,059,319.23 = 426,265.83/x
  3. Step 3: Cross multiply
    1,372,894.20x = 2,059,319.23 × 426,265.83
  4. Step 4: Simplify right side
    1,372,894.20x = 877,817,419,745.25
  5. Step 5: Solve for x
    x = 877,817,419,745.25/1,372,894.20
  6. Step 6: Final answer
    x = 639,391.89

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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.