Home / 726,090.80-1,089,136.20-673,602.80

Finding the Fourth Proportional to 726,090.80, 1,089,136.20 and 673,602.80

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Solution

The fourth proportional to 726,090.80, 1,089,136.20 and 673,602.80 is: 1,010,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,090.80 : 1,089,136.20 = 673,602.80 : x
  2. Step 2: Convert to fraction form
    726,090.80/1,089,136.20 = 673,602.80/x
  3. Step 3: Cross multiply
    726,090.80x = 1,089,136.20 × 673,602.80
  4. Step 4: Simplify right side
    726,090.80x = 733,645,193,901.36
  5. Step 5: Solve for x
    x = 733,645,193,901.36/726,090.80
  6. Step 6: Final answer
    x = 1,010,404.20

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1.5x scale

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.