Home / 1,140,758.75-1,712,820.29-636,305.33

Finding the Fourth Proportional to 1,140,758.75, 1,712,820.29 and 636,305.33

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Solution

The fourth proportional to 1,140,758.75, 1,712,820.29 and 636,305.33 is: 955,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,758.75 : 1,712,820.29 = 636,305.33 : x
  2. Step 2: Convert to fraction form
    1,140,758.75/1,712,820.29 = 636,305.33/x
  3. Step 3: Cross multiply
    1,140,758.75x = 1,712,820.29 × 636,305.33
  4. Step 4: Simplify right side
    1,140,758.75x = 1,089,876,679,859.15
  5. Step 5: Solve for x
    x = 1,089,876,679,859.15/1,140,758.75
  6. Step 6: Final answer
    x = 955,396.29

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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.