Home / 1,260,582.56-1,890,874.08-419,141.60

Finding the Fourth Proportional to 1,260,582.56, 1,890,874.08 and 419,141.60

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Solution

The fourth proportional to 1,260,582.56, 1,890,874.08 and 419,141.60 is: 628,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,582.56 : 1,890,874.08 = 419,141.60 : x
  2. Step 2: Convert to fraction form
    1,260,582.56/1,890,874.08 = 419,141.60/x
  3. Step 3: Cross multiply
    1,260,582.56x = 1,890,874.08 × 419,141.60
  4. Step 4: Simplify right side
    1,260,582.56x = 792,543,987,289.73
  5. Step 5: Solve for x
    x = 792,543,987,289.73/1,260,582.56
  6. Step 6: Final answer
    x = 628,712.48

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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.