Home / 726,064.20-1,089,096.30-668,003.40

Finding the Fourth Proportional to 726,064.20, 1,089,096.30 and 668,003.40

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Solution

The fourth proportional to 726,064.20, 1,089,096.30 and 668,003.40 is: 1,002,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,064.20 : 1,089,096.30 = 668,003.40 : x
  2. Step 2: Convert to fraction form
    726,064.20/1,089,096.30 = 668,003.40/x
  3. Step 3: Cross multiply
    726,064.20x = 1,089,096.30 × 668,003.40
  4. Step 4: Simplify right side
    726,064.20x = 727,520,031,327.42
  5. Step 5: Solve for x
    x = 727,520,031,327.42/726,064.20
  6. Step 6: Final answer
    x = 1,002,005.10

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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.