Home / 1,617,096.60-2,420,979.30-987,240.60

Finding the Fourth Proportional to 1,617,096.60, 2,420,979.30 and 987,240.60

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Solution

The fourth proportional to 1,617,096.60, 2,420,979.30 and 987,240.60 is: 1,478,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,096.60 : 2,420,979.30 = 987,240.60 : x
  2. Step 2: Convert to fraction form
    1,617,096.60/2,420,979.30 = 987,240.60/x
  3. Step 3: Cross multiply
    1,617,096.60x = 2,420,979.30 × 987,240.60
  4. Step 4: Simplify right side
    1,617,096.60x = 2,390,089,056,719.58
  5. Step 5: Solve for x
    x = 2,390,089,056,719.58/1,617,096.60
  6. Step 6: Final answer
    x = 1,478,012.54

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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.