Home / 1,755,431.82-2,421,828.20-1,297,645.27

Finding the Fourth Proportional to 1,755,431.82, 2,421,828.20 and 1,297,645.27

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Solution

The fourth proportional to 1,755,431.82, 2,421,828.20 and 1,297,645.27 is: 1,790,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,431.82 : 2,421,828.20 = 1,297,645.27 : x
  2. Step 2: Convert to fraction form
    1,755,431.82/2,421,828.20 = 1,297,645.27/x
  3. Step 3: Cross multiply
    1,755,431.82x = 2,421,828.20 × 1,297,645.27
  4. Step 4: Simplify right side
    1,755,431.82x = 3,142,673,905,672.16
  5. Step 5: Solve for x
    x = 3,142,673,905,672.16/1,755,431.82
  6. Step 6: Final answer
    x = 1,790,256.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.