Home / 1,393,099-2,089,650.72-382,234.80

Finding the Fourth Proportional to 1,393,099, 2,089,650.72 and 382,234.80

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Solution

The fourth proportional to 1,393,099, 2,089,650.72 and 382,234.80 is: 573,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,099 : 2,089,650.72 = 382,234.80 : x
  2. Step 2: Convert to fraction form
    1,393,099/2,089,650.72 = 382,234.80/x
  3. Step 3: Cross multiply
    1,393,099x = 2,089,650.72 × 382,234.80
  4. Step 4: Simplify right side
    1,393,099x = 798,737,225,029.06
  5. Step 5: Solve for x
    x = 798,737,225,029.06/1,393,099
  6. Step 6: Final answer
    x = 573,352.81

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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.