Home / 1,089,244.10-1,632,371.41-689,168.67

Finding the Fourth Proportional to 1,089,244.10, 1,632,371.41 and 689,168.67

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Solution

The fourth proportional to 1,089,244.10, 1,632,371.41 and 689,168.67 is: 1,032,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,244.10 : 1,632,371.41 = 689,168.67 : x
  2. Step 2: Convert to fraction form
    1,089,244.10/1,632,371.41 = 689,168.67/x
  3. Step 3: Cross multiply
    1,089,244.10x = 1,632,371.41 × 689,168.67
  4. Step 4: Simplify right side
    1,089,244.10x = 1,124,979,228,673.03
  5. Step 5: Solve for x
    x = 1,124,979,228,673.03/1,089,244.10
  6. Step 6: Final answer
    x = 1,032,807.28

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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.