Home / 1,362,694.56-1,880,102.20-789,624

Finding the Fourth Proportional to 1,362,694.56, 1,880,102.20 and 789,624

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Solution

The fourth proportional to 1,362,694.56, 1,880,102.20 and 789,624 is: 1,089,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,694.56 : 1,880,102.20 = 789,624 : x
  2. Step 2: Convert to fraction form
    1,362,694.56/1,880,102.20 = 789,624/x
  3. Step 3: Cross multiply
    1,362,694.56x = 1,880,102.20 × 789,624
  4. Step 4: Simplify right side
    1,362,694.56x = 1,484,573,819,572.80
  5. Step 5: Solve for x
    x = 1,484,573,819,572.80/1,362,694.56
  6. Step 6: Final answer
    x = 1,089,439.90

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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.