Home / 1,100,512.95-1,651,138.71-426,616.23

Finding the Fourth Proportional to 1,100,512.95, 1,651,138.71 and 426,616.23

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Solution

The fourth proportional to 1,100,512.95, 1,651,138.71 and 426,616.23 is: 640,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,512.95 : 1,651,138.71 = 426,616.23 : x
  2. Step 2: Convert to fraction form
    1,100,512.95/1,651,138.71 = 426,616.23/x
  3. Step 3: Cross multiply
    1,100,512.95x = 1,651,138.71 × 426,616.23
  4. Step 4: Simplify right side
    1,100,512.95x = 704,402,571,667.26
  5. Step 5: Solve for x
    x = 704,402,571,667.26/1,100,512.95
  6. Step 6: Final answer
    x = 640,067.50

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1.5x scale

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.