Home / 1,393,615.80-2,089,905.30-551,993.40

Finding the Fourth Proportional to 1,393,615.80, 2,089,905.30 and 551,993.40

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Solution

The fourth proportional to 1,393,615.80, 2,089,905.30 and 551,993.40 is: 827,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,615.80 : 2,089,905.30 = 551,993.40 : x
  2. Step 2: Convert to fraction form
    1,393,615.80/2,089,905.30 = 551,993.40/x
  3. Step 3: Cross multiply
    1,393,615.80x = 2,089,905.30 × 551,993.40
  4. Step 4: Simplify right side
    1,393,615.80x = 1,153,613,932,225.02
  5. Step 5: Solve for x
    x = 1,153,613,932,225.02/1,393,615.80
  6. Step 6: Final answer
    x = 827,784.77

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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.