Home / 1,115,467-1,672,901.60-484,230.76

Finding the Fourth Proportional to 1,115,467, 1,672,901.60 and 484,230.76

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Solution

The fourth proportional to 1,115,467, 1,672,901.60 and 484,230.76 is: 726,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,467 : 1,672,901.60 = 484,230.76 : x
  2. Step 2: Convert to fraction form
    1,115,467/1,672,901.60 = 484,230.76/x
  3. Step 3: Cross multiply
    1,115,467x = 1,672,901.60 × 484,230.76
  4. Step 4: Simplify right side
    1,115,467x = 810,070,413,173.22
  5. Step 5: Solve for x
    x = 810,070,413,173.22/1,115,467
  6. Step 6: Final answer
    x = 726,216.39

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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.