Home / 1,271,641.39-1,907,384.83-451,020.67

Finding the Fourth Proportional to 1,271,641.39, 1,907,384.83 and 451,020.67

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Solution

The fourth proportional to 1,271,641.39, 1,907,384.83 and 451,020.67 is: 676,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,641.39 : 1,907,384.83 = 451,020.67 : x
  2. Step 2: Convert to fraction form
    1,271,641.39/1,907,384.83 = 451,020.67/x
  3. Step 3: Cross multiply
    1,271,641.39x = 1,907,384.83 × 451,020.67
  4. Step 4: Simplify right side
    1,271,641.39x = 860,269,983,974.44
  5. Step 5: Solve for x
    x = 860,269,983,974.44/1,271,641.39
  6. Step 6: Final answer
    x = 676,503.60

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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.