Home / 1,045,452.87-1,568,196.49-287,289.59

Finding the Fourth Proportional to 1,045,452.87, 1,568,196.49 and 287,289.59

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Solution

The fourth proportional to 1,045,452.87, 1,568,196.49 and 287,289.59 is: 430,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,452.87 : 1,568,196.49 = 287,289.59 : x
  2. Step 2: Convert to fraction form
    1,045,452.87/1,568,196.49 = 287,289.59/x
  3. Step 3: Cross multiply
    1,045,452.87x = 1,568,196.49 × 287,289.59
  4. Step 4: Simplify right side
    1,045,452.87x = 450,526,526,651.54
  5. Step 5: Solve for x
    x = 450,526,526,651.54/1,045,452.87
  6. Step 6: Final answer
    x = 430,939.11

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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.