Home / 1,299,453.37-1,949,512.19-500,520.40

Finding the Fourth Proportional to 1,299,453.37, 1,949,512.19 and 500,520.40

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Solution

The fourth proportional to 1,299,453.37, 1,949,512.19 and 500,520.40 is: 750,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,453.37 : 1,949,512.19 = 500,520.40 : x
  2. Step 2: Convert to fraction form
    1,299,453.37/1,949,512.19 = 500,520.40/x
  3. Step 3: Cross multiply
    1,299,453.37x = 1,949,512.19 × 500,520.40
  4. Step 4: Simplify right side
    1,299,453.37x = 975,770,613,767.29
  5. Step 5: Solve for x
    x = 975,770,613,767.29/1,299,453.37
  6. Step 6: Final answer
    x = 750,908.53

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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.