Home / 1,753,501.32-2,419,832.34-989,716.68

Finding the Fourth Proportional to 1,753,501.32, 2,419,832.34 and 989,716.68

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Solution

The fourth proportional to 1,753,501.32, 2,419,832.34 and 989,716.68 is: 1,365,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,501.32 : 2,419,832.34 = 989,716.68 : x
  2. Step 2: Convert to fraction form
    1,753,501.32/2,419,832.34 = 989,716.68/x
  3. Step 3: Cross multiply
    1,753,501.32x = 2,419,832.34 × 989,716.68
  4. Step 4: Simplify right side
    1,753,501.32x = 2,394,948,429,701.43
  5. Step 5: Solve for x
    x = 2,394,948,429,701.43/1,753,501.32
  6. Step 6: Final answer
    x = 1,365,809.31

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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.