Home / 869,110.90-1,302,111.15-744,694.90

Finding the Fourth Proportional to 869,110.90, 1,302,111.15 and 744,694.90

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Solution

The fourth proportional to 869,110.90, 1,302,111.15 and 744,694.90 is: 1,115,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,110.90 : 1,302,111.15 = 744,694.90 : x
  2. Step 2: Convert to fraction form
    869,110.90/1,302,111.15 = 744,694.90/x
  3. Step 3: Cross multiply
    869,110.90x = 1,302,111.15 × 744,694.90
  4. Step 4: Simplify right side
    869,110.90x = 969,675,532,638.14
  5. Step 5: Solve for x
    x = 969,675,532,638.14/869,110.90
  6. Step 6: Final answer
    x = 1,115,709.78

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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.