Home / 1,045,865.75-1,568,592.05-287,511.54

Finding the Fourth Proportional to 1,045,865.75, 1,568,592.05 and 287,511.54

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Solution

The fourth proportional to 1,045,865.75, 1,568,592.05 and 287,511.54 is: 431,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,865.75 : 1,568,592.05 = 287,511.54 : x
  2. Step 2: Convert to fraction form
    1,045,865.75/1,568,592.05 = 287,511.54/x
  3. Step 3: Cross multiply
    1,045,865.75x = 1,568,592.05 × 287,511.54
  4. Step 4: Simplify right side
    1,045,865.75x = 450,988,315,927.26
  5. Step 5: Solve for x
    x = 450,988,315,927.26/1,045,865.75
  6. Step 6: Final answer
    x = 431,210.52

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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.