Home / 1,362,487.32-1,880,233.02-789,859.44

Finding the Fourth Proportional to 1,362,487.32, 1,880,233.02 and 789,859.44

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Solution

The fourth proportional to 1,362,487.32, 1,880,233.02 and 789,859.44 is: 1,090,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,487.32 : 1,880,233.02 = 789,859.44 : x
  2. Step 2: Convert to fraction form
    1,362,487.32/1,880,233.02 = 789,859.44/x
  3. Step 3: Cross multiply
    1,362,487.32x = 1,880,233.02 × 789,859.44
  4. Step 4: Simplify right side
    1,362,487.32x = 1,485,119,800,246.71
  5. Step 5: Solve for x
    x = 1,485,119,800,246.71/1,362,487.32
  6. Step 6: Final answer
    x = 1,090,006.33

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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.