Home / 1,682,578.51-2,321,946.23-918,632.07

Finding the Fourth Proportional to 1,682,578.51, 2,321,946.23 and 918,632.07

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Solution

The fourth proportional to 1,682,578.51, 2,321,946.23 and 918,632.07 is: 1,267,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,578.51 : 2,321,946.23 = 918,632.07 : x
  2. Step 2: Convert to fraction form
    1,682,578.51/2,321,946.23 = 918,632.07/x
  3. Step 3: Cross multiply
    1,682,578.51x = 2,321,946.23 × 918,632.07
  4. Step 4: Simplify right side
    1,682,578.51x = 2,133,014,267,100.44
  5. Step 5: Solve for x
    x = 2,133,014,267,100.44/1,682,578.51
  6. Step 6: Final answer
    x = 1,267,705.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.