Home / 1,427,629.25-2,142,004.57-628,350.41

Finding the Fourth Proportional to 1,427,629.25, 2,142,004.57 and 628,350.41

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Solution

The fourth proportional to 1,427,629.25, 2,142,004.57 and 628,350.41 is: 942,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,629.25 : 2,142,004.57 = 628,350.41 : x
  2. Step 2: Convert to fraction form
    1,427,629.25/2,142,004.57 = 628,350.41/x
  3. Step 3: Cross multiply
    1,427,629.25x = 2,142,004.57 × 628,350.41
  4. Step 4: Simplify right side
    1,427,629.25x = 1,345,929,453,565.51
  5. Step 5: Solve for x
    x = 1,345,929,453,565.51/1,427,629.25
  6. Step 6: Final answer
    x = 942,772.40

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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.