Home / 1,362,492.32-1,880,239.92-789,864.44

Finding the Fourth Proportional to 1,362,492.32, 1,880,239.92 and 789,864.44

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Solution

The fourth proportional to 1,362,492.32, 1,880,239.92 and 789,864.44 is: 1,090,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,492.32 : 1,880,239.92 = 789,864.44 : x
  2. Step 2: Convert to fraction form
    1,362,492.32/1,880,239.92 = 789,864.44/x
  3. Step 3: Cross multiply
    1,362,492.32x = 1,880,239.92 × 789,864.44
  4. Step 4: Simplify right side
    1,362,492.32x = 1,485,134,651,476.44
  5. Step 5: Solve for x
    x = 1,485,134,651,476.44/1,362,492.32
  6. Step 6: Final answer
    x = 1,090,013.23

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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.