Home / 1,362,699.56-1,880,109.12-789,629

Finding the Fourth Proportional to 1,362,699.56, 1,880,109.12 and 789,629

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Solution

The fourth proportional to 1,362,699.56, 1,880,109.12 and 789,629 is: 1,089,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,699.56 : 1,880,109.12 = 789,629 : x
  2. Step 2: Convert to fraction form
    1,362,699.56/1,880,109.12 = 789,629/x
  3. Step 3: Cross multiply
    1,362,699.56x = 1,880,109.12 × 789,629
  4. Step 4: Simplify right side
    1,362,699.56x = 1,484,588,684,316.48
  5. Step 5: Solve for x
    x = 1,484,588,684,316.48/1,362,699.56
  6. Step 6: Final answer
    x = 1,089,446.81

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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.