Home / 1,510,917.64-2,085,078.90-822,594.22

Finding the Fourth Proportional to 1,510,917.64, 2,085,078.90 and 822,594.22

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Solution

The fourth proportional to 1,510,917.64, 2,085,078.90 and 822,594.22 is: 1,135,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,917.64 : 2,085,078.90 = 822,594.22 : x
  2. Step 2: Convert to fraction form
    1,510,917.64/2,085,078.90 = 822,594.22/x
  3. Step 3: Cross multiply
    1,510,917.64x = 2,085,078.90 × 822,594.22
  4. Step 4: Simplify right side
    1,510,917.64x = 1,715,173,851,383.96
  5. Step 5: Solve for x
    x = 1,715,173,851,383.96/1,510,917.64
  6. Step 6: Final answer
    x = 1,135,186.86

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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.