Home / 1,295,781.80-1,944,644.70-664,370.60

Finding the Fourth Proportional to 1,295,781.80, 1,944,644.70 and 664,370.60

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Solution

The fourth proportional to 1,295,781.80, 1,944,644.70 and 664,370.60 is: 997,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,781.80 : 1,944,644.70 = 664,370.60 : x
  2. Step 2: Convert to fraction form
    1,295,781.80/1,944,644.70 = 664,370.60/x
  3. Step 3: Cross multiply
    1,295,781.80x = 1,944,644.70 × 664,370.60
  4. Step 4: Simplify right side
    1,295,781.80x = 1,291,964,766,125.82
  5. Step 5: Solve for x
    x = 1,291,964,766,125.82/1,295,781.80
  6. Step 6: Final answer
    x = 997,054.26

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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.