Home / 1,214,089.20-1,821,644.10-652,467.60

Finding the Fourth Proportional to 1,214,089.20, 1,821,644.10 and 652,467.60

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Solution

The fourth proportional to 1,214,089.20, 1,821,644.10 and 652,467.60 is: 978,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,089.20 : 1,821,644.10 = 652,467.60 : x
  2. Step 2: Convert to fraction form
    1,214,089.20/1,821,644.10 = 652,467.60/x
  3. Step 3: Cross multiply
    1,214,089.20x = 1,821,644.10 × 652,467.60
  4. Step 4: Simplify right side
    1,214,089.20x = 1,188,563,753,981.16
  5. Step 5: Solve for x
    x = 1,188,563,753,981.16/1,214,089.20
  6. Step 6: Final answer
    x = 978,975.64

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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.