Home / 1,230,499.60-1,844,021.40-978,211.60

Finding the Fourth Proportional to 1,230,499.60, 1,844,021.40 and 978,211.60

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Solution

The fourth proportional to 1,230,499.60, 1,844,021.40 and 978,211.60 is: 1,465,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,499.60 : 1,844,021.40 = 978,211.60 : x
  2. Step 2: Convert to fraction form
    1,230,499.60/1,844,021.40 = 978,211.60/x
  3. Step 3: Cross multiply
    1,230,499.60x = 1,844,021.40 × 978,211.60
  4. Step 4: Simplify right side
    1,230,499.60x = 1,803,843,124,128.24
  5. Step 5: Solve for x
    x = 1,803,843,124,128.24/1,230,499.60
  6. Step 6: Final answer
    x = 1,465,943.69

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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.