Home / 1,219,514.84-1,682,885.78-703,290.50

Finding the Fourth Proportional to 1,219,514.84, 1,682,885.78 and 703,290.50

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Solution

The fourth proportional to 1,219,514.84, 1,682,885.78 and 703,290.50 is: 970,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,514.84 : 1,682,885.78 = 703,290.50 : x
  2. Step 2: Convert to fraction form
    1,219,514.84/1,682,885.78 = 703,290.50/x
  3. Step 3: Cross multiply
    1,219,514.84x = 1,682,885.78 × 703,290.50
  4. Step 4: Simplify right side
    1,219,514.84x = 1,183,557,581,659.09
  5. Step 5: Solve for x
    x = 1,183,557,581,659.09/1,219,514.84
  6. Step 6: Final answer
    x = 970,515.11

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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.