Home / 1,752,447.69-2,418,499.35-978,229.36

Finding the Fourth Proportional to 1,752,447.69, 2,418,499.35 and 978,229.36

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Solution

The fourth proportional to 1,752,447.69, 2,418,499.35 and 978,229.36 is: 1,350,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,447.69 : 2,418,499.35 = 978,229.36 : x
  2. Step 2: Convert to fraction form
    1,752,447.69/2,418,499.35 = 978,229.36/x
  3. Step 3: Cross multiply
    1,752,447.69x = 2,418,499.35 × 978,229.36
  4. Step 4: Simplify right side
    1,752,447.69x = 2,365,847,060,729.98
  5. Step 5: Solve for x
    x = 2,365,847,060,729.98/1,752,447.69
  6. Step 6: Final answer
    x = 1,350,024.35

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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.