Home / 1,137,198.67-1,568,676.30-734,790.67

Finding the Fourth Proportional to 1,137,198.67, 1,568,676.30 and 734,790.67

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Solution

The fourth proportional to 1,137,198.67, 1,568,676.30 and 734,790.67 is: 1,013,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,198.67 : 1,568,676.30 = 734,790.67 : x
  2. Step 2: Convert to fraction form
    1,137,198.67/1,568,676.30 = 734,790.67/x
  3. Step 3: Cross multiply
    1,137,198.67x = 1,568,676.30 × 734,790.67
  4. Step 4: Simplify right side
    1,137,198.67x = 1,152,648,709,490.12
  5. Step 5: Solve for x
    x = 1,152,648,709,490.12/1,137,198.67
  6. Step 6: Final answer
    x = 1,013,586.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.