Home / 1,072,636.20-1,608,933.60-432,923.04

Finding the Fourth Proportional to 1,072,636.20, 1,608,933.60 and 432,923.04

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Solution

The fourth proportional to 1,072,636.20, 1,608,933.60 and 432,923.04 is: 649,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,636.20 : 1,608,933.60 = 432,923.04 : x
  2. Step 2: Convert to fraction form
    1,072,636.20/1,608,933.60 = 432,923.04/x
  3. Step 3: Cross multiply
    1,072,636.20x = 1,608,933.60 × 432,923.04
  4. Step 4: Simplify right side
    1,072,636.20x = 696,544,425,270.14
  5. Step 5: Solve for x
    x = 696,544,425,270.14/1,072,636.20
  6. Step 6: Final answer
    x = 649,376.21

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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.