Home / 1,427,635.06-2,138,597.44-858,702

Finding the Fourth Proportional to 1,427,635.06, 2,138,597.44 and 858,702

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Solution

The fourth proportional to 1,427,635.06, 2,138,597.44 and 858,702 is: 1,286,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,635.06 : 2,138,597.44 = 858,702 : x
  2. Step 2: Convert to fraction form
    1,427,635.06/2,138,597.44 = 858,702/x
  3. Step 3: Cross multiply
    1,427,635.06x = 2,138,597.44 × 858,702
  4. Step 4: Simplify right side
    1,427,635.06x = 1,836,417,898,922.88
  5. Step 5: Solve for x
    x = 1,836,417,898,922.88/1,427,635.06
  6. Step 6: Final answer
    x = 1,286,335.67

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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.