Home / 1,178,144.42-1,767,167.26-379,408.28

Finding the Fourth Proportional to 1,178,144.42, 1,767,167.26 and 379,408.28

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Solution

The fourth proportional to 1,178,144.42, 1,767,167.26 and 379,408.28 is: 569,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,144.42 : 1,767,167.26 = 379,408.28 : x
  2. Step 2: Convert to fraction form
    1,178,144.42/1,767,167.26 = 379,408.28/x
  3. Step 3: Cross multiply
    1,178,144.42x = 1,767,167.26 × 379,408.28
  4. Step 4: Simplify right side
    1,178,144.42x = 670,477,890,588.91
  5. Step 5: Solve for x
    x = 670,477,890,588.91/1,178,144.42
  6. Step 6: Final answer
    x = 569,096.52

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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.