Home / 1,489,705.22-2,234,578.64-424,747.29

Finding the Fourth Proportional to 1,489,705.22, 2,234,578.64 and 424,747.29

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Solution

The fourth proportional to 1,489,705.22, 2,234,578.64 and 424,747.29 is: 637,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,705.22 : 2,234,578.64 = 424,747.29 : x
  2. Step 2: Convert to fraction form
    1,489,705.22/2,234,578.64 = 424,747.29/x
  3. Step 3: Cross multiply
    1,489,705.22x = 2,234,578.64 × 424,747.29
  4. Step 4: Simplify right side
    1,489,705.22x = 949,131,221,631.89
  5. Step 5: Solve for x
    x = 949,131,221,631.89/1,489,705.22
  6. Step 6: Final answer
    x = 637,126.87

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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.