Home / 1,728,078.44-2,591,890.08-513,629.13

Finding the Fourth Proportional to 1,728,078.44, 2,591,890.08 and 513,629.13

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Solution

The fourth proportional to 1,728,078.44, 2,591,890.08 and 513,629.13 is: 770,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,078.44 : 2,591,890.08 = 513,629.13 : x
  2. Step 2: Convert to fraction form
    1,728,078.44/2,591,890.08 = 513,629.13/x
  3. Step 3: Cross multiply
    1,728,078.44x = 2,591,890.08 × 513,629.13
  4. Step 4: Simplify right side
    1,728,078.44x = 1,331,270,254,639.51
  5. Step 5: Solve for x
    x = 1,331,270,254,639.51/1,728,078.44
  6. Step 6: Final answer
    x = 770,376.06

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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.