Home / 1,256,121.60-1,884,297.60-508,012.80

Finding the Fourth Proportional to 1,256,121.60, 1,884,297.60 and 508,012.80

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Solution

The fourth proportional to 1,256,121.60, 1,884,297.60 and 508,012.80 is: 762,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,121.60 : 1,884,297.60 = 508,012.80 : x
  2. Step 2: Convert to fraction form
    1,256,121.60/1,884,297.60 = 508,012.80/x
  3. Step 3: Cross multiply
    1,256,121.60x = 1,884,297.60 × 508,012.80
  4. Step 4: Simplify right side
    1,256,121.60x = 957,247,299,809.28
  5. Step 5: Solve for x
    x = 957,247,299,809.28/1,256,121.60
  6. Step 6: Final answer
    x = 762,065.79

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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.