Home / 1,269,821.91-1,752,432.99-839,355.51

Finding the Fourth Proportional to 1,269,821.91, 1,752,432.99 and 839,355.51

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Solution

The fourth proportional to 1,269,821.91, 1,752,432.99 and 839,355.51 is: 1,158,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,821.91 : 1,752,432.99 = 839,355.51 : x
  2. Step 2: Convert to fraction form
    1,269,821.91/1,752,432.99 = 839,355.51/x
  3. Step 3: Cross multiply
    1,269,821.91x = 1,752,432.99 × 839,355.51
  4. Step 4: Simplify right side
    1,269,821.91x = 1,470,914,286,062.28
  5. Step 5: Solve for x
    x = 1,470,914,286,062.28/1,269,821.91
  6. Step 6: Final answer
    x = 1,158,362.66

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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.