Home / 1,211,421.60-1,816,986.60-501,375.60

Finding the Fourth Proportional to 1,211,421.60, 1,816,986.60 and 501,375.60

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Solution

The fourth proportional to 1,211,421.60, 1,816,986.60 and 501,375.60 is: 752,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,421.60 : 1,816,986.60 = 501,375.60 : x
  2. Step 2: Convert to fraction form
    1,211,421.60/1,816,986.60 = 501,375.60/x
  3. Step 3: Cross multiply
    1,211,421.60x = 1,816,986.60 × 501,375.60
  4. Step 4: Simplify right side
    1,211,421.60x = 910,992,746,766.96
  5. Step 5: Solve for x
    x = 910,992,746,766.96/1,211,421.60
  6. Step 6: Final answer
    x = 752,003.06

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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.