Home / 1,120,200.30-1,677,190.05-1,089,096.30

Finding the Fourth Proportional to 1,120,200.30, 1,677,190.05 and 1,089,096.30

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Solution

The fourth proportional to 1,120,200.30, 1,677,190.05 and 1,089,096.30 is: 1,630,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,200.30 : 1,677,190.05 = 1,089,096.30 : x
  2. Step 2: Convert to fraction form
    1,120,200.30/1,677,190.05 = 1,089,096.30/x
  3. Step 3: Cross multiply
    1,120,200.30x = 1,677,190.05 × 1,089,096.30
  4. Step 4: Simplify right side
    1,120,200.30x = 1,826,621,477,851.82
  5. Step 5: Solve for x
    x = 1,826,621,477,851.82/1,120,200.30
  6. Step 6: Final answer
    x = 1,630,620.41

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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.