Home / 1,448,019.20-2,172,028.80-660,051.20

Finding the Fourth Proportional to 1,448,019.20, 2,172,028.80 and 660,051.20

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Solution

The fourth proportional to 1,448,019.20, 2,172,028.80 and 660,051.20 is: 990,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,019.20 : 2,172,028.80 = 660,051.20 : x
  2. Step 2: Convert to fraction form
    1,448,019.20/2,172,028.80 = 660,051.20/x
  3. Step 3: Cross multiply
    1,448,019.20x = 2,172,028.80 × 660,051.20
  4. Step 4: Simplify right side
    1,448,019.20x = 1,433,650,215,874.56
  5. Step 5: Solve for x
    x = 1,433,650,215,874.56/1,448,019.20
  6. Step 6: Final answer
    x = 990,076.80

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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.