Home / 1,364,923.20-2,047,538.40-418,286.40

Finding the Fourth Proportional to 1,364,923.20, 2,047,538.40 and 418,286.40

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Solution

The fourth proportional to 1,364,923.20, 2,047,538.40 and 418,286.40 is: 627,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,923.20 : 2,047,538.40 = 418,286.40 : x
  2. Step 2: Convert to fraction form
    1,364,923.20/2,047,538.40 = 418,286.40/x
  3. Step 3: Cross multiply
    1,364,923.20x = 2,047,538.40 × 418,286.40
  4. Step 4: Simplify right side
    1,364,923.20x = 856,457,466,197.76
  5. Step 5: Solve for x
    x = 856,457,466,197.76/1,364,923.20
  6. Step 6: Final answer
    x = 627,476.67

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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.