Home / 1,195,965.08-1,791,917.58-721,653.80

Finding the Fourth Proportional to 1,195,965.08, 1,791,917.58 and 721,653.80

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Solution

The fourth proportional to 1,195,965.08, 1,791,917.58 and 721,653.80 is: 1,081,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,965.08 : 1,791,917.58 = 721,653.80 : x
  2. Step 2: Convert to fraction form
    1,195,965.08/1,791,917.58 = 721,653.80/x
  3. Step 3: Cross multiply
    1,195,965.08x = 1,791,917.58 × 721,653.80
  4. Step 4: Simplify right side
    1,195,965.08x = 1,293,144,130,893.80
  5. Step 5: Solve for x
    x = 1,293,144,130,893.80/1,195,965.08
  6. Step 6: Final answer
    x = 1,081,255.76

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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.