Home / 1,235,292.21-1,704,778.92-691,461.90

Finding the Fourth Proportional to 1,235,292.21, 1,704,778.92 and 691,461.90

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Solution

The fourth proportional to 1,235,292.21, 1,704,778.92 and 691,461.90 is: 954,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,292.21 : 1,704,778.92 = 691,461.90 : x
  2. Step 2: Convert to fraction form
    1,235,292.21/1,704,778.92 = 691,461.90/x
  3. Step 3: Cross multiply
    1,235,292.21x = 1,704,778.92 × 691,461.90
  4. Step 4: Simplify right side
    1,235,292.21x = 1,178,789,671,103.15
  5. Step 5: Solve for x
    x = 1,178,789,671,103.15/1,235,292.21
  6. Step 6: Final answer
    x = 954,259.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.