Home / 1,393,022.67-2,089,534.46-919,597.31

Finding the Fourth Proportional to 1,393,022.67, 2,089,534.46 and 919,597.31

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Solution

The fourth proportional to 1,393,022.67, 2,089,534.46 and 919,597.31 is: 1,379,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,022.67 : 2,089,534.46 = 919,597.31 : x
  2. Step 2: Convert to fraction form
    1,393,022.67/2,089,534.46 = 919,597.31/x
  3. Step 3: Cross multiply
    1,393,022.67x = 2,089,534.46 × 919,597.31
  4. Step 4: Simplify right side
    1,393,022.67x = 1,921,530,261,358.40
  5. Step 5: Solve for x
    x = 1,921,530,261,358.40/1,393,022.67
  6. Step 6: Final answer
    x = 1,379,396.26

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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.