Home / 1,217,473.72-1,826,459.64-418,651.48

Finding the Fourth Proportional to 1,217,473.72, 1,826,459.64 and 418,651.48

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Solution

The fourth proportional to 1,217,473.72, 1,826,459.64 and 418,651.48 is: 628,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,473.72 : 1,826,459.64 = 418,651.48 : x
  2. Step 2: Convert to fraction form
    1,217,473.72/1,826,459.64 = 418,651.48/x
  3. Step 3: Cross multiply
    1,217,473.72x = 1,826,459.64 × 418,651.48
  4. Step 4: Simplify right side
    1,217,473.72x = 764,650,031,446.27
  5. Step 5: Solve for x
    x = 764,650,031,446.27/1,217,473.72
  6. Step 6: Final answer
    x = 628,062.86

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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.