Home / 1,630,079.44-2,445,003.68-431,975.20

Finding the Fourth Proportional to 1,630,079.44, 2,445,003.68 and 431,975.20

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Solution

The fourth proportional to 1,630,079.44, 2,445,003.68 and 431,975.20 is: 647,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,079.44 : 2,445,003.68 = 431,975.20 : x
  2. Step 2: Convert to fraction form
    1,630,079.44/2,445,003.68 = 431,975.20/x
  3. Step 3: Cross multiply
    1,630,079.44x = 2,445,003.68 × 431,975.20
  4. Step 4: Simplify right side
    1,630,079.44x = 1,056,180,953,668.74
  5. Step 5: Solve for x
    x = 1,056,180,953,668.74/1,630,079.44
  6. Step 6: Final answer
    x = 647,932.20

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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.