Home / 1,212,579.80-1,818,369.25-413,925.74

Finding the Fourth Proportional to 1,212,579.80, 1,818,369.25 and 413,925.74

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Solution

The fourth proportional to 1,212,579.80, 1,818,369.25 and 413,925.74 is: 620,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,579.80 : 1,818,369.25 = 413,925.74 : x
  2. Step 2: Convert to fraction form
    1,212,579.80/1,818,369.25 = 413,925.74/x
  3. Step 3: Cross multiply
    1,212,579.80x = 1,818,369.25 × 413,925.74
  4. Step 4: Simplify right side
    1,212,579.80x = 752,669,837,399.50
  5. Step 5: Solve for x
    x = 752,669,837,399.50/1,212,579.80
  6. Step 6: Final answer
    x = 620,717.78

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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.