Home / 1,605,419.76-2,215,500.71-880,265.64

Finding the Fourth Proportional to 1,605,419.76, 2,215,500.71 and 880,265.64

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Solution

The fourth proportional to 1,605,419.76, 2,215,500.71 and 880,265.64 is: 1,214,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,419.76 : 2,215,500.71 = 880,265.64 : x
  2. Step 2: Convert to fraction form
    1,605,419.76/2,215,500.71 = 880,265.64/x
  3. Step 3: Cross multiply
    1,605,419.76x = 2,215,500.71 × 880,265.64
  4. Step 4: Simplify right side
    1,605,419.76x = 1,950,229,150,408.60
  5. Step 5: Solve for x
    x = 1,950,229,150,408.60/1,605,419.76
  6. Step 6: Final answer
    x = 1,214,778.34

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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.