Home / 1,188,915.98-1,783,353.24-478,925.87

Finding the Fourth Proportional to 1,188,915.98, 1,783,353.24 and 478,925.87

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Solution

The fourth proportional to 1,188,915.98, 1,783,353.24 and 478,925.87 is: 718,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,915.98 : 1,783,353.24 = 478,925.87 : x
  2. Step 2: Convert to fraction form
    1,188,915.98/1,783,353.24 = 478,925.87/x
  3. Step 3: Cross multiply
    1,188,915.98x = 1,783,353.24 × 478,925.87
  4. Step 4: Simplify right side
    1,188,915.98x = 854,093,993,067.55
  5. Step 5: Solve for x
    x = 854,093,993,067.55/1,188,915.98
  6. Step 6: Final answer
    x = 718,380.45

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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.