Home / 1,078,256.80-1,617,093.60-320,096.80

Finding the Fourth Proportional to 1,078,256.80, 1,617,093.60 and 320,096.80

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Solution

The fourth proportional to 1,078,256.80, 1,617,093.60 and 320,096.80 is: 480,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,256.80 : 1,617,093.60 = 320,096.80 : x
  2. Step 2: Convert to fraction form
    1,078,256.80/1,617,093.60 = 320,096.80/x
  3. Step 3: Cross multiply
    1,078,256.80x = 1,617,093.60 × 320,096.80
  4. Step 4: Simplify right side
    1,078,256.80x = 517,626,486,660.48
  5. Step 5: Solve for x
    x = 517,626,486,660.48/1,078,256.80
  6. Step 6: Final answer
    x = 480,058.63

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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.