Home / 1,294,286.10-1,942,012.35-620,106.90

Finding the Fourth Proportional to 1,294,286.10, 1,942,012.35 and 620,106.90

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Solution

The fourth proportional to 1,294,286.10, 1,942,012.35 and 620,106.90 is: 930,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,286.10 : 1,942,012.35 = 620,106.90 : x
  2. Step 2: Convert to fraction form
    1,294,286.10/1,942,012.35 = 620,106.90/x
  3. Step 3: Cross multiply
    1,294,286.10x = 1,942,012.35 × 620,106.90
  4. Step 4: Simplify right side
    1,294,286.10x = 1,204,255,258,120.22
  5. Step 5: Solve for x
    x = 1,204,255,258,120.22/1,294,286.10
  6. Step 6: Final answer
    x = 930,439.77

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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.