Home / 1,143,980.30-1,715,972.54-469,591.58

Finding the Fourth Proportional to 1,143,980.30, 1,715,972.54 and 469,591.58

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Solution

The fourth proportional to 1,143,980.30, 1,715,972.54 and 469,591.58 is: 704,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,980.30 : 1,715,972.54 = 469,591.58 : x
  2. Step 2: Convert to fraction form
    1,143,980.30/1,715,972.54 = 469,591.58/x
  3. Step 3: Cross multiply
    1,143,980.30x = 1,715,972.54 × 469,591.58
  4. Step 4: Simplify right side
    1,143,980.30x = 805,806,245,367.39
  5. Step 5: Solve for x
    x = 805,806,245,367.39/1,143,980.30
  6. Step 6: Final answer
    x = 704,388.22

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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.