Home / 1,271,636.89-1,907,378.08-451,016.17

Finding the Fourth Proportional to 1,271,636.89, 1,907,378.08 and 451,016.17

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Solution

The fourth proportional to 1,271,636.89, 1,907,378.08 and 451,016.17 is: 676,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,636.89 : 1,907,378.08 = 451,016.17 : x
  2. Step 2: Convert to fraction form
    1,271,636.89/1,907,378.08 = 451,016.17/x
  3. Step 3: Cross multiply
    1,271,636.89x = 1,907,378.08 × 451,016.17
  4. Step 4: Simplify right side
    1,271,636.89x = 860,258,356,383.55
  5. Step 5: Solve for x
    x = 860,258,356,383.55/1,271,636.89
  6. Step 6: Final answer
    x = 676,496.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.