Home / 1,685,738.25-2,528,609.94-688,466.25

Finding the Fourth Proportional to 1,685,738.25, 2,528,609.94 and 688,466.25

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Solution

The fourth proportional to 1,685,738.25, 2,528,609.94 and 688,466.25 is: 1,032,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,738.25 : 2,528,609.94 = 688,466.25 : x
  2. Step 2: Convert to fraction form
    1,685,738.25/2,528,609.94 = 688,466.25/x
  3. Step 3: Cross multiply
    1,685,738.25x = 2,528,609.94 × 688,466.25
  4. Step 4: Simplify right side
    1,685,738.25x = 1,740,862,603,104.53
  5. Step 5: Solve for x
    x = 1,740,862,603,104.53/1,685,738.25
  6. Step 6: Final answer
    x = 1,032,700.42

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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.