Home / 1,362,311.46-1,879,989.93-789,683.94

Finding the Fourth Proportional to 1,362,311.46, 1,879,989.93 and 789,683.94

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Solution

The fourth proportional to 1,362,311.46, 1,879,989.93 and 789,683.94 is: 1,089,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,311.46 : 1,879,989.93 = 789,683.94 : x
  2. Step 2: Convert to fraction form
    1,362,311.46/1,879,989.93 = 789,683.94/x
  3. Step 3: Cross multiply
    1,362,311.46x = 1,879,989.93 × 789,683.94
  4. Step 4: Simplify right side
    1,362,311.46x = 1,484,597,855,082.72
  5. Step 5: Solve for x
    x = 1,484,597,855,082.72/1,362,311.46
  6. Step 6: Final answer
    x = 1,089,763.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.