Home / 1,393,186.74-2,089,782.34-382,322.54

Finding the Fourth Proportional to 1,393,186.74, 2,089,782.34 and 382,322.54

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Solution

The fourth proportional to 1,393,186.74, 2,089,782.34 and 382,322.54 is: 573,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,186.74 : 2,089,782.34 = 382,322.54 : x
  2. Step 2: Convert to fraction form
    1,393,186.74/2,089,782.34 = 382,322.54/x
  3. Step 3: Cross multiply
    1,393,186.74x = 2,089,782.34 × 382,322.54
  4. Step 4: Simplify right side
    1,393,186.74x = 798,970,892,275.94
  5. Step 5: Solve for x
    x = 798,970,892,275.94/1,393,186.74
  6. Step 6: Final answer
    x = 573,484.42

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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.