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Finding the Fourth Proportional to 1,369,872, 2,054,814.48 and 483,408

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Solution

The fourth proportional to 1,369,872, 2,054,814.48 and 483,408 is: 725,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,872 : 2,054,814.48 = 483,408 : x
  2. Step 2: Convert to fraction form
    1,369,872/2,054,814.48 = 483,408/x
  3. Step 3: Cross multiply
    1,369,872x = 2,054,814.48 × 483,408
  4. Step 4: Simplify right side
    1,369,872x = 993,313,758,147.84
  5. Step 5: Solve for x
    x = 993,313,758,147.84/1,369,872
  6. Step 6: Final answer
    x = 725,114.29

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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.