Home / 1,265,852.75-1,898,779.14-379,388.75

Finding the Fourth Proportional to 1,265,852.75, 1,898,779.14 and 379,388.75

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Solution

The fourth proportional to 1,265,852.75, 1,898,779.14 and 379,388.75 is: 569,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,852.75 : 1,898,779.14 = 379,388.75 : x
  2. Step 2: Convert to fraction form
    1,265,852.75/1,898,779.14 = 379,388.75/x
  3. Step 3: Cross multiply
    1,265,852.75x = 1,898,779.14 × 379,388.75
  4. Step 4: Simplify right side
    1,265,852.75x = 720,375,444,450.68
  5. Step 5: Solve for x
    x = 720,375,444,450.68/1,265,852.75
  6. Step 6: Final answer
    x = 569,083.13

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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.