Home / 1,393,186.22-2,089,781.60-382,322.01

Finding the Fourth Proportional to 1,393,186.22, 2,089,781.60 and 382,322.01

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Solution

The fourth proportional to 1,393,186.22, 2,089,781.60 and 382,322.01 is: 573,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,186.22 : 2,089,781.60 = 382,322.01 : x
  2. Step 2: Convert to fraction form
    1,393,186.22/2,089,781.60 = 382,322.01/x
  3. Step 3: Cross multiply
    1,393,186.22x = 2,089,781.60 × 382,322.01
  4. Step 4: Simplify right side
    1,393,186.22x = 798,969,499,861.41
  5. Step 5: Solve for x
    x = 798,969,499,861.41/1,393,186.22
  6. Step 6: Final answer
    x = 573,483.64

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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.