Home / 1,093,869.90-1,640,794.05-345,915.90

Finding the Fourth Proportional to 1,093,869.90, 1,640,794.05 and 345,915.90

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Solution

The fourth proportional to 1,093,869.90, 1,640,794.05 and 345,915.90 is: 518,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,869.90 : 1,640,794.05 = 345,915.90 : x
  2. Step 2: Convert to fraction form
    1,093,869.90/1,640,794.05 = 345,915.90/x
  3. Step 3: Cross multiply
    1,093,869.90x = 1,640,794.05 × 345,915.90
  4. Step 4: Simplify right side
    1,093,869.90x = 567,576,750,520.40
  5. Step 5: Solve for x
    x = 567,576,750,520.40/1,093,869.90
  6. Step 6: Final answer
    x = 518,870.43

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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.