Home / 1,212,578.30-1,818,367-413,924.24

Finding the Fourth Proportional to 1,212,578.30, 1,818,367 and 413,924.24

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Solution

The fourth proportional to 1,212,578.30, 1,818,367 and 413,924.24 is: 620,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,578.30 : 1,818,367 = 413,924.24 : x
  2. Step 2: Convert to fraction form
    1,212,578.30/1,818,367 = 413,924.24/x
  3. Step 3: Cross multiply
    1,212,578.30x = 1,818,367 × 413,924.24
  4. Step 4: Simplify right side
    1,212,578.30x = 752,666,178,516.08
  5. Step 5: Solve for x
    x = 752,666,178,516.08/1,212,578.30
  6. Step 6: Final answer
    x = 620,715.53

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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.