Home / 1,685,745.26-2,528,620.44-688,473.26

Finding the Fourth Proportional to 1,685,745.26, 2,528,620.44 and 688,473.26

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Solution

The fourth proportional to 1,685,745.26, 2,528,620.44 and 688,473.26 is: 1,032,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,745.26 : 2,528,620.44 = 688,473.26 : x
  2. Step 2: Convert to fraction form
    1,685,745.26/2,528,620.44 = 688,473.26/x
  3. Step 3: Cross multiply
    1,685,745.26x = 2,528,620.44 × 688,473.26
  4. Step 4: Simplify right side
    1,685,745.26x = 1,740,887,557,629.43
  5. Step 5: Solve for x
    x = 1,740,887,557,629.43/1,685,745.26
  6. Step 6: Final answer
    x = 1,032,710.93

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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.