Home / 1,089,138.24-1,630,363.32-986,495.04

Finding the Fourth Proportional to 1,089,138.24, 1,630,363.32 and 986,495.04

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Solution

The fourth proportional to 1,089,138.24, 1,630,363.32 and 986,495.04 is: 1,476,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,138.24 : 1,630,363.32 = 986,495.04 : x
  2. Step 2: Convert to fraction form
    1,089,138.24/1,630,363.32 = 986,495.04/x
  3. Step 3: Cross multiply
    1,089,138.24x = 1,630,363.32 × 986,495.04
  4. Step 4: Simplify right side
    1,089,138.24x = 1,608,345,328,577.93
  5. Step 5: Solve for x
    x = 1,608,345,328,577.93/1,089,138.24
  6. Step 6: Final answer
    x = 1,476,713.67

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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.