Home / 1,093,504.20-1,640,256.30-916,357.20

Finding the Fourth Proportional to 1,093,504.20, 1,640,256.30 and 916,357.20

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Solution

The fourth proportional to 1,093,504.20, 1,640,256.30 and 916,357.20 is: 1,374,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,504.20 : 1,640,256.30 = 916,357.20 : x
  2. Step 2: Convert to fraction form
    1,093,504.20/1,640,256.30 = 916,357.20/x
  3. Step 3: Cross multiply
    1,093,504.20x = 1,640,256.30 × 916,357.20
  4. Step 4: Simplify right side
    1,093,504.20x = 1,503,060,670,350.36
  5. Step 5: Solve for x
    x = 1,503,060,670,350.36/1,093,504.20
  6. Step 6: Final answer
    x = 1,374,535.80

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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.