Home / 1,991,023.60-2,986,546.20-495,115.60

Finding the Fourth Proportional to 1,991,023.60, 2,986,546.20 and 495,115.60

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Solution

The fourth proportional to 1,991,023.60, 2,986,546.20 and 495,115.60 is: 742,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,023.60 : 2,986,546.20 = 495,115.60 : x
  2. Step 2: Convert to fraction form
    1,991,023.60/2,986,546.20 = 495,115.60/x
  3. Step 3: Cross multiply
    1,991,023.60x = 2,986,546.20 × 495,115.60
  4. Step 4: Simplify right side
    1,991,023.60x = 1,478,685,613,740.72
  5. Step 5: Solve for x
    x = 1,478,685,613,740.72/1,991,023.60
  6. Step 6: Final answer
    x = 742,676.09

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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.