Home / 1,328,144.34-1,992,218.31-569,495.91

Finding the Fourth Proportional to 1,328,144.34, 1,992,218.31 and 569,495.91

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Solution

The fourth proportional to 1,328,144.34, 1,992,218.31 and 569,495.91 is: 854,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,144.34 : 1,992,218.31 = 569,495.91 : x
  2. Step 2: Convert to fraction form
    1,328,144.34/1,992,218.31 = 569,495.91/x
  3. Step 3: Cross multiply
    1,328,144.34x = 1,992,218.31 × 569,495.91
  4. Step 4: Simplify right side
    1,328,144.34x = 1,134,560,179,372.11
  5. Step 5: Solve for x
    x = 1,134,560,179,372.11/1,328,144.34
  6. Step 6: Final answer
    x = 854,244.64

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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.