Home / 1,510,540.16-2,084,600.43-822,178.75

Finding the Fourth Proportional to 1,510,540.16, 2,084,600.43 and 822,178.75

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Solution

The fourth proportional to 1,510,540.16, 2,084,600.43 and 822,178.75 is: 1,134,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,540.16 : 2,084,600.43 = 822,178.75 : x
  2. Step 2: Convert to fraction form
    1,510,540.16/2,084,600.43 = 822,178.75/x
  3. Step 3: Cross multiply
    1,510,540.16x = 2,084,600.43 × 822,178.75
  4. Step 4: Simplify right side
    1,510,540.16x = 1,713,914,175,786.86
  5. Step 5: Solve for x
    x = 1,713,914,175,786.86/1,510,540.16
  6. Step 6: Final answer
    x = 1,134,636.62

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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.