Home / 1,271,639.39-1,907,381.83-451,018.67

Finding the Fourth Proportional to 1,271,639.39, 1,907,381.83 and 451,018.67

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Solution

The fourth proportional to 1,271,639.39, 1,907,381.83 and 451,018.67 is: 676,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,639.39 : 1,907,381.83 = 451,018.67 : x
  2. Step 2: Convert to fraction form
    1,271,639.39/1,907,381.83 = 451,018.67/x
  3. Step 3: Cross multiply
    1,271,639.39x = 1,907,381.83 × 451,018.67
  4. Step 4: Simplify right side
    1,271,639.39x = 860,264,816,148.77
  5. Step 5: Solve for x
    x = 860,264,816,148.77/1,271,639.39
  6. Step 6: Final answer
    x = 676,500.60

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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.