Home / 1,028,725.20-1,543,093.20-280,771.20

Finding the Fourth Proportional to 1,028,725.20, 1,543,093.20 and 280,771.20

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Solution

The fourth proportional to 1,028,725.20, 1,543,093.20 and 280,771.20 is: 421,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,725.20 : 1,543,093.20 = 280,771.20 : x
  2. Step 2: Convert to fraction form
    1,028,725.20/1,543,093.20 = 280,771.20/x
  3. Step 3: Cross multiply
    1,028,725.20x = 1,543,093.20 × 280,771.20
  4. Step 4: Simplify right side
    1,028,725.20x = 433,256,129,475.84
  5. Step 5: Solve for x
    x = 433,256,129,475.84/1,028,725.20
  6. Step 6: Final answer
    x = 421,158.27

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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.