Home / 1,319,694.62-1,820,755.32-738,832.40

Finding the Fourth Proportional to 1,319,694.62, 1,820,755.32 and 738,832.40

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Solution

The fourth proportional to 1,319,694.62, 1,820,755.32 and 738,832.40 is: 1,019,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,694.62 : 1,820,755.32 = 738,832.40 : x
  2. Step 2: Convert to fraction form
    1,319,694.62/1,820,755.32 = 738,832.40/x
  3. Step 3: Cross multiply
    1,319,694.62x = 1,820,755.32 × 738,832.40
  4. Step 4: Simplify right side
    1,319,694.62x = 1,345,233,022,888.37
  5. Step 5: Solve for x
    x = 1,345,233,022,888.37/1,319,694.62
  6. Step 6: Final answer
    x = 1,019,351.75

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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.