Home / 1,230,425.60-1,843,910.40-978,137.60

Finding the Fourth Proportional to 1,230,425.60, 1,843,910.40 and 978,137.60

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Solution

The fourth proportional to 1,230,425.60, 1,843,910.40 and 978,137.60 is: 1,465,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,425.60 : 1,843,910.40 = 978,137.60 : x
  2. Step 2: Convert to fraction form
    1,230,425.60/1,843,910.40 = 978,137.60/x
  3. Step 3: Cross multiply
    1,230,425.60x = 1,843,910.40 × 978,137.60
  4. Step 4: Simplify right side
    1,230,425.60x = 1,803,598,093,271.04
  5. Step 5: Solve for x
    x = 1,803,598,093,271.04/1,230,425.60
  6. Step 6: Final answer
    x = 1,465,832.71

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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.