Home / 1,675,910.25-2,312,792.60-911,964.42

Finding the Fourth Proportional to 1,675,910.25, 2,312,792.60 and 911,964.42

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Solution

The fourth proportional to 1,675,910.25, 2,312,792.60 and 911,964.42 is: 1,258,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,910.25 : 2,312,792.60 = 911,964.42 : x
  2. Step 2: Convert to fraction form
    1,675,910.25/2,312,792.60 = 911,964.42/x
  3. Step 3: Cross multiply
    1,675,910.25x = 2,312,792.60 × 911,964.42
  4. Step 4: Simplify right side
    1,675,910.25x = 2,109,184,557,479.47
  5. Step 5: Solve for x
    x = 2,109,184,557,479.47/1,675,910.25
  6. Step 6: Final answer
    x = 1,258,530.73

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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.