Home / 1,686,606.82-2,530,741.32-788,110.66

Finding the Fourth Proportional to 1,686,606.82, 2,530,741.32 and 788,110.66

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Solution

The fourth proportional to 1,686,606.82, 2,530,741.32 and 788,110.66 is: 1,182,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,606.82 : 2,530,741.32 = 788,110.66 : x
  2. Step 2: Convert to fraction form
    1,686,606.82/2,530,741.32 = 788,110.66/x
  3. Step 3: Cross multiply
    1,686,606.82x = 2,530,741.32 × 788,110.66
  4. Step 4: Simplify right side
    1,686,606.82x = 1,994,504,211,994.47
  5. Step 5: Solve for x
    x = 1,994,504,211,994.47/1,686,606.82
  6. Step 6: Final answer
    x = 1,182,554.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.