Home / 1,675,540.46-2,312,255.90-911,599.50

Finding the Fourth Proportional to 1,675,540.46, 2,312,255.90 and 911,599.50

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Solution

The fourth proportional to 1,675,540.46, 2,312,255.90 and 911,599.50 is: 1,258,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,540.46 : 2,312,255.90 = 911,599.50 : x
  2. Step 2: Convert to fraction form
    1,675,540.46/2,312,255.90 = 911,599.50/x
  3. Step 3: Cross multiply
    1,675,540.46x = 2,312,255.90 × 911,599.50
  4. Step 4: Simplify right side
    1,675,540.46x = 2,107,851,322,312.05
  5. Step 5: Solve for x
    x = 2,107,851,322,312.05/1,675,540.46
  6. Step 6: Final answer
    x = 1,258,012.79

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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.