Home / 1,778,611.29-2,667,923.25-430,774.80

Finding the Fourth Proportional to 1,778,611.29, 2,667,923.25 and 430,774.80

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Solution

The fourth proportional to 1,778,611.29, 2,667,923.25 and 430,774.80 is: 646,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,611.29 : 2,667,923.25 = 430,774.80 : x
  2. Step 2: Convert to fraction form
    1,778,611.29/2,667,923.25 = 430,774.80/x
  3. Step 3: Cross multiply
    1,778,611.29x = 2,667,923.25 × 430,774.80
  4. Step 4: Simplify right side
    1,778,611.29x = 1,149,274,104,434.10
  5. Step 5: Solve for x
    x = 1,149,274,104,434.10/1,778,611.29
  6. Step 6: Final answer
    x = 646,163.73

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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.