Home / 1,362,440.41-1,880,167.78-789,812.73

Finding the Fourth Proportional to 1,362,440.41, 1,880,167.78 and 789,812.73

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Solution

The fourth proportional to 1,362,440.41, 1,880,167.78 and 789,812.73 is: 1,089,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,440.41 : 1,880,167.78 = 789,812.73 : x
  2. Step 2: Convert to fraction form
    1,362,440.41/1,880,167.78 = 789,812.73/x
  3. Step 3: Cross multiply
    1,362,440.41x = 1,880,167.78 × 789,812.73
  4. Step 4: Simplify right side
    1,362,440.41x = 1,484,980,447,179.84
  5. Step 5: Solve for x
    x = 1,484,980,447,179.84/1,362,440.41
  6. Step 6: Final answer
    x = 1,089,941.58

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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.