Home / 1,258,520.76-1,886,783.22-659,367

Finding the Fourth Proportional to 1,258,520.76, 1,886,783.22 and 659,367

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Solution

The fourth proportional to 1,258,520.76, 1,886,783.22 and 659,367 is: 988,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,520.76 : 1,886,783.22 = 659,367 : x
  2. Step 2: Convert to fraction form
    1,258,520.76/1,886,783.22 = 659,367/x
  3. Step 3: Cross multiply
    1,258,520.76x = 1,886,783.22 × 659,367
  4. Step 4: Simplify right side
    1,258,520.76x = 1,244,082,591,421.74
  5. Step 5: Solve for x
    x = 1,244,082,591,421.74/1,258,520.76
  6. Step 6: Final answer
    x = 988,527.67

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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.