Home / 1,371,978.90-2,057,137.25-613,679.04

Finding the Fourth Proportional to 1,371,978.90, 2,057,137.25 and 613,679.04

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Solution

The fourth proportional to 1,371,978.90, 2,057,137.25 and 613,679.04 is: 920,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,978.90 : 2,057,137.25 = 613,679.04 : x
  2. Step 2: Convert to fraction form
    1,371,978.90/2,057,137.25 = 613,679.04/x
  3. Step 3: Cross multiply
    1,371,978.90x = 2,057,137.25 × 613,679.04
  4. Step 4: Simplify right side
    1,371,978.90x = 1,262,422,009,659.85
  5. Step 5: Solve for x
    x = 1,262,422,009,659.85/1,371,978.90
  6. Step 6: Final answer
    x = 920,146.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.