Home / 1,269,821.16-1,752,431.94-839,354.76

Finding the Fourth Proportional to 1,269,821.16, 1,752,431.94 and 839,354.76

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Solution

The fourth proportional to 1,269,821.16, 1,752,431.94 and 839,354.76 is: 1,158,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,821.16 : 1,752,431.94 = 839,354.76 : x
  2. Step 2: Convert to fraction form
    1,269,821.16/1,752,431.94 = 839,354.76/x
  3. Step 3: Cross multiply
    1,269,821.16x = 1,752,431.94 × 839,354.76
  4. Step 4: Simplify right side
    1,269,821.16x = 1,470,912,090,415.03
  5. Step 5: Solve for x
    x = 1,470,912,090,415.03/1,269,821.16
  6. Step 6: Final answer
    x = 1,158,361.62

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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.