Home / 1,510,919.64-2,085,081.66-822,596.22

Finding the Fourth Proportional to 1,510,919.64, 2,085,081.66 and 822,596.22

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Solution

The fourth proportional to 1,510,919.64, 2,085,081.66 and 822,596.22 is: 1,135,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,919.64 : 2,085,081.66 = 822,596.22 : x
  2. Step 2: Convert to fraction form
    1,510,919.64/2,085,081.66 = 822,596.22/x
  3. Step 3: Cross multiply
    1,510,919.64x = 2,085,081.66 × 822,596.22
  4. Step 4: Simplify right side
    1,510,919.64x = 1,715,180,291,907.33
  5. Step 5: Solve for x
    x = 1,715,180,291,907.33/1,510,919.64
  6. Step 6: Final answer
    x = 1,135,189.62

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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.