Home / 1,447,059.20-2,169,974.40-699,334.40

Finding the Fourth Proportional to 1,447,059.20, 2,169,974.40 and 699,334.40

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Solution

The fourth proportional to 1,447,059.20, 2,169,974.40 and 699,334.40 is: 1,048,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,059.20 : 2,169,974.40 = 699,334.40 : x
  2. Step 2: Convert to fraction form
    1,447,059.20/2,169,974.40 = 699,334.40/x
  3. Step 3: Cross multiply
    1,447,059.20x = 2,169,974.40 × 699,334.40
  4. Step 4: Simplify right side
    1,447,059.20x = 1,517,537,745,039.36
  5. Step 5: Solve for x
    x = 1,517,537,745,039.36/1,447,059.20
  6. Step 6: Final answer
    x = 1,048,704.67

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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.