Home / 1,630,820.45-2,250,262.16-942,556.35

Finding the Fourth Proportional to 1,630,820.45, 2,250,262.16 and 942,556.35

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Solution

The fourth proportional to 1,630,820.45, 2,250,262.16 and 942,556.35 is: 1,300,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,820.45 : 2,250,262.16 = 942,556.35 : x
  2. Step 2: Convert to fraction form
    1,630,820.45/2,250,262.16 = 942,556.35/x
  3. Step 3: Cross multiply
    1,630,820.45x = 2,250,262.16 × 942,556.35
  4. Step 4: Simplify right side
    1,630,820.45x = 2,120,998,888,072.72
  5. Step 5: Solve for x
    x = 2,120,998,888,072.72/1,630,820.45
  6. Step 6: Final answer
    x = 1,300,571.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.