Home / 1,778,629.70-2,667,545.23-818,162.86

Finding the Fourth Proportional to 1,778,629.70, 2,667,545.23 and 818,162.86

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Solution

The fourth proportional to 1,778,629.70, 2,667,545.23 and 818,162.86 is: 1,227,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,629.70 : 2,667,545.23 = 818,162.86 : x
  2. Step 2: Convert to fraction form
    1,778,629.70/2,667,545.23 = 818,162.86/x
  3. Step 3: Cross multiply
    1,778,629.70x = 2,667,545.23 × 818,162.86
  4. Step 4: Simplify right side
    1,778,629.70x = 2,182,486,434,556.16
  5. Step 5: Solve for x
    x = 2,182,486,434,556.16/1,778,629.70
  6. Step 6: Final answer
    x = 1,227,060.60

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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.