Home / 1,752,402.42-2,418,436.80-978,183.90

Finding the Fourth Proportional to 1,752,402.42, 2,418,436.80 and 978,183.90

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Solution

The fourth proportional to 1,752,402.42, 2,418,436.80 and 978,183.90 is: 1,349,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,402.42 : 2,418,436.80 = 978,183.90 : x
  2. Step 2: Convert to fraction form
    1,752,402.42/2,418,436.80 = 978,183.90/x
  3. Step 3: Cross multiply
    1,752,402.42x = 2,418,436.80 × 978,183.90
  4. Step 4: Simplify right side
    1,752,402.42x = 2,365,675,940,927.52
  5. Step 5: Solve for x
    x = 2,365,675,940,927.52/1,752,402.42
  6. Step 6: Final answer
    x = 1,349,961.58

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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.