Home / 1,364,883.20-2,047,478.40-418,246.40

Finding the Fourth Proportional to 1,364,883.20, 2,047,478.40 and 418,246.40

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Solution

The fourth proportional to 1,364,883.20, 2,047,478.40 and 418,246.40 is: 627,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,883.20 : 2,047,478.40 = 418,246.40 : x
  2. Step 2: Convert to fraction form
    1,364,883.20/2,047,478.40 = 418,246.40/x
  3. Step 3: Cross multiply
    1,364,883.20x = 2,047,478.40 × 418,246.40
  4. Step 4: Simplify right side
    1,364,883.20x = 856,350,469,877.76
  5. Step 5: Solve for x
    x = 856,350,469,877.76/1,364,883.20
  6. Step 6: Final answer
    x = 627,416.67

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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.