Home / 1,328,147.34-1,992,222.81-569,498.91

Finding the Fourth Proportional to 1,328,147.34, 1,992,222.81 and 569,498.91

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Solution

The fourth proportional to 1,328,147.34, 1,992,222.81 and 569,498.91 is: 854,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,147.34 : 1,992,222.81 = 569,498.91 : x
  2. Step 2: Convert to fraction form
    1,328,147.34/1,992,222.81 = 569,498.91/x
  3. Step 3: Cross multiply
    1,328,147.34x = 1,992,222.81 × 569,498.91
  4. Step 4: Simplify right side
    1,328,147.34x = 1,134,568,718,772.14
  5. Step 5: Solve for x
    x = 1,134,568,718,772.14/1,328,147.34
  6. Step 6: Final answer
    x = 854,249.14

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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.