Home / 1,362,439.41-1,880,166.40-789,811.73

Finding the Fourth Proportional to 1,362,439.41, 1,880,166.40 and 789,811.73

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Solution

The fourth proportional to 1,362,439.41, 1,880,166.40 and 789,811.73 is: 1,089,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,439.41 : 1,880,166.40 = 789,811.73 : x
  2. Step 2: Convert to fraction form
    1,362,439.41/1,880,166.40 = 789,811.73/x
  3. Step 3: Cross multiply
    1,362,439.41x = 1,880,166.40 × 789,811.73
  4. Step 4: Simplify right side
    1,362,439.41x = 1,484,977,472,747.13
  5. Step 5: Solve for x
    x = 1,484,977,472,747.13/1,362,439.41
  6. Step 6: Final answer
    x = 1,089,940.20

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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.