Home / 1,375,033.92-1,897,895.61-939,627.60

Finding the Fourth Proportional to 1,375,033.92, 1,897,895.61 and 939,627.60

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Solution

The fourth proportional to 1,375,033.92, 1,897,895.61 and 939,627.60 is: 1,296,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,033.92 : 1,897,895.61 = 939,627.60 : x
  2. Step 2: Convert to fraction form
    1,375,033.92/1,897,895.61 = 939,627.60/x
  3. Step 3: Cross multiply
    1,375,033.92x = 1,897,895.61 × 939,627.60
  4. Step 4: Simplify right side
    1,375,033.92x = 1,783,315,097,074.84
  5. Step 5: Solve for x
    x = 1,783,315,097,074.84/1,375,033.92
  6. Step 6: Final answer
    x = 1,296,924.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.