Home / 1,272,809-1,756,431.46-699,845.16

Finding the Fourth Proportional to 1,272,809, 1,756,431.46 and 699,845.16

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Solution

The fourth proportional to 1,272,809, 1,756,431.46 and 699,845.16 is: 965,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,809 : 1,756,431.46 = 699,845.16 : x
  2. Step 2: Convert to fraction form
    1,272,809/1,756,431.46 = 699,845.16/x
  3. Step 3: Cross multiply
    1,272,809x = 1,756,431.46 × 699,845.16
  4. Step 4: Simplify right side
    1,272,809x = 1,229,230,056,152.73
  5. Step 5: Solve for x
    x = 1,229,230,056,152.73/1,272,809
  6. Step 6: Final answer
    x = 965,761.60

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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.