Home / 1,089,812.40-1,633,163.40-803,266.80

Finding the Fourth Proportional to 1,089,812.40, 1,633,163.40 and 803,266.80

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Solution

The fourth proportional to 1,089,812.40, 1,633,163.40 and 803,266.80 is: 1,203,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,812.40 : 1,633,163.40 = 803,266.80 : x
  2. Step 2: Convert to fraction form
    1,089,812.40/1,633,163.40 = 803,266.80/x
  3. Step 3: Cross multiply
    1,089,812.40x = 1,633,163.40 × 803,266.80
  4. Step 4: Simplify right side
    1,089,812.40x = 1,311,865,938,195.12
  5. Step 5: Solve for x
    x = 1,311,865,938,195.12/1,089,812.40
  6. Step 6: Final answer
    x = 1,203,753.91

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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.