Home / 1,208,705.62-1,667,978.46-664,841.26

Finding the Fourth Proportional to 1,208,705.62, 1,667,978.46 and 664,841.26

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Solution

The fourth proportional to 1,208,705.62, 1,667,978.46 and 664,841.26 is: 917,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,705.62 : 1,667,978.46 = 664,841.26 : x
  2. Step 2: Convert to fraction form
    1,208,705.62/1,667,978.46 = 664,841.26/x
  3. Step 3: Cross multiply
    1,208,705.62x = 1,667,978.46 × 664,841.26
  4. Step 4: Simplify right side
    1,208,705.62x = 1,108,940,900,999.26
  5. Step 5: Solve for x
    x = 1,108,940,900,999.26/1,208,705.62
  6. Step 6: Final answer
    x = 917,461.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.