Home / 1,493,481.12-2,240,164-428,523.04

Finding the Fourth Proportional to 1,493,481.12, 2,240,164 and 428,523.04

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Solution

The fourth proportional to 1,493,481.12, 2,240,164 and 428,523.04 is: 642,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,481.12 : 2,240,164 = 428,523.04 : x
  2. Step 2: Convert to fraction form
    1,493,481.12/2,240,164 = 428,523.04/x
  3. Step 3: Cross multiply
    1,493,481.12x = 2,240,164 × 428,523.04
  4. Step 4: Simplify right side
    1,493,481.12x = 959,961,887,378.56
  5. Step 5: Solve for x
    x = 959,961,887,378.56/1,493,481.12
  6. Step 6: Final answer
    x = 642,768.01

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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.