Home / 1,378,648.88-2,067,974.08-630,170

Finding the Fourth Proportional to 1,378,648.88, 2,067,974.08 and 630,170

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Solution

The fourth proportional to 1,378,648.88, 2,067,974.08 and 630,170 is: 945,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,648.88 : 2,067,974.08 = 630,170 : x
  2. Step 2: Convert to fraction form
    1,378,648.88/2,067,974.08 = 630,170/x
  3. Step 3: Cross multiply
    1,378,648.88x = 2,067,974.08 × 630,170
  4. Step 4: Simplify right side
    1,378,648.88x = 1,303,175,225,993.60
  5. Step 5: Solve for x
    x = 1,303,175,225,993.60/1,378,648.88
  6. Step 6: Final answer
    x = 945,255.35

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1.5x scale

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.