Home / 1,479,746.20-2,219,619.30-414,968.80

Finding the Fourth Proportional to 1,479,746.20, 2,219,619.30 and 414,968.80

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Solution

The fourth proportional to 1,479,746.20, 2,219,619.30 and 414,968.80 is: 622,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,746.20 : 2,219,619.30 = 414,968.80 : x
  2. Step 2: Convert to fraction form
    1,479,746.20/2,219,619.30 = 414,968.80/x
  3. Step 3: Cross multiply
    1,479,746.20x = 2,219,619.30 × 414,968.80
  4. Step 4: Simplify right side
    1,479,746.20x = 921,072,757,377.84
  5. Step 5: Solve for x
    x = 921,072,757,377.84/1,479,746.20
  6. Step 6: Final answer
    x = 622,453.20

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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.