Home / 1,362,423.06-1,880,142.57-789,795.18

Finding the Fourth Proportional to 1,362,423.06, 1,880,142.57 and 789,795.18

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Solution

The fourth proportional to 1,362,423.06, 1,880,142.57 and 789,795.18 is: 1,089,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,423.06 : 1,880,142.57 = 789,795.18 : x
  2. Step 2: Convert to fraction form
    1,362,423.06/1,880,142.57 = 789,795.18/x
  3. Step 3: Cross multiply
    1,362,423.06x = 1,880,142.57 × 789,795.18
  4. Step 4: Simplify right side
    1,362,423.06x = 1,484,927,539,498.81
  5. Step 5: Solve for x
    x = 1,484,927,539,498.81/1,362,423.06
  6. Step 6: Final answer
    x = 1,089,916.62

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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.