Home / 1,412,297.76-2,118,577.20-401,440.80

Finding the Fourth Proportional to 1,412,297.76, 2,118,577.20 and 401,440.80

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Solution

The fourth proportional to 1,412,297.76, 2,118,577.20 and 401,440.80 is: 602,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,297.76 : 2,118,577.20 = 401,440.80 : x
  2. Step 2: Convert to fraction form
    1,412,297.76/2,118,577.20 = 401,440.80/x
  3. Step 3: Cross multiply
    1,412,297.76x = 2,118,577.20 × 401,440.80
  4. Step 4: Simplify right side
    1,412,297.76x = 850,483,326,029.76
  5. Step 5: Solve for x
    x = 850,483,326,029.76/1,412,297.76
  6. Step 6: Final answer
    x = 602,198.31

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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.