Home / 1,093,515.20-1,640,272.80-920,304.80

Finding the Fourth Proportional to 1,093,515.20, 1,640,272.80 and 920,304.80

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Solution

The fourth proportional to 1,093,515.20, 1,640,272.80 and 920,304.80 is: 1,380,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,515.20 : 1,640,272.80 = 920,304.80 : x
  2. Step 2: Convert to fraction form
    1,093,515.20/1,640,272.80 = 920,304.80/x
  3. Step 3: Cross multiply
    1,093,515.20x = 1,640,272.80 × 920,304.80
  4. Step 4: Simplify right side
    1,093,515.20x = 1,509,550,931,149.44
  5. Step 5: Solve for x
    x = 1,509,550,931,149.44/1,093,515.20
  6. Step 6: Final answer
    x = 1,380,457.20

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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.