Home / 1,780,060.53-2,455,879.26-1,005,578.22

Finding the Fourth Proportional to 1,780,060.53, 2,455,879.26 and 1,005,578.22

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Solution

The fourth proportional to 1,780,060.53, 2,455,879.26 and 1,005,578.22 is: 1,387,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,060.53 : 2,455,879.26 = 1,005,578.22 : x
  2. Step 2: Convert to fraction form
    1,780,060.53/2,455,879.26 = 1,005,578.22/x
  3. Step 3: Cross multiply
    1,780,060.53x = 2,455,879.26 × 1,005,578.22
  4. Step 4: Simplify right side
    1,780,060.53x = 2,469,578,694,805.72
  5. Step 5: Solve for x
    x = 2,469,578,694,805.72/1,780,060.53
  6. Step 6: Final answer
    x = 1,387,356.58

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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.