Home / 1,909,008.60-2,863,447.02-489,078.60

Finding the Fourth Proportional to 1,909,008.60, 2,863,447.02 and 489,078.60

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Solution

The fourth proportional to 1,909,008.60, 2,863,447.02 and 489,078.60 is: 733,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,008.60 : 2,863,447.02 = 489,078.60 : x
  2. Step 2: Convert to fraction form
    1,909,008.60/2,863,447.02 = 489,078.60/x
  3. Step 3: Cross multiply
    1,909,008.60x = 2,863,447.02 × 489,078.60
  4. Step 4: Simplify right side
    1,909,008.60x = 1,400,450,659,715.77
  5. Step 5: Solve for x
    x = 1,400,450,659,715.77/1,909,008.60
  6. Step 6: Final answer
    x = 733,601.02

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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.