Home / 1,909,029.60-2,863,479.60-489,099.60

Finding the Fourth Proportional to 1,909,029.60, 2,863,479.60 and 489,099.60

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Solution

The fourth proportional to 1,909,029.60, 2,863,479.60 and 489,099.60 is: 733,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,029.60 : 2,863,479.60 = 489,099.60 : x
  2. Step 2: Convert to fraction form
    1,909,029.60/2,863,479.60 = 489,099.60/x
  3. Step 3: Cross multiply
    1,909,029.60x = 2,863,479.60 × 489,099.60
  4. Step 4: Simplify right side
    1,909,029.60x = 1,400,526,726,968.16
  5. Step 5: Solve for x
    x = 1,400,526,726,968.16/1,909,029.60
  6. Step 6: Final answer
    x = 733,632.80

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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.