Home / 1,280,645.56-1,767,296.32-699,880.24

Finding the Fourth Proportional to 1,280,645.56, 1,767,296.32 and 699,880.24

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Solution

The fourth proportional to 1,280,645.56, 1,767,296.32 and 699,880.24 is: 965,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,645.56 : 1,767,296.32 = 699,880.24 : x
  2. Step 2: Convert to fraction form
    1,280,645.56/1,767,296.32 = 699,880.24/x
  3. Step 3: Cross multiply
    1,280,645.56x = 1,767,296.32 × 699,880.24
  4. Step 4: Simplify right side
    1,280,645.56x = 1,236,895,772,592.72
  5. Step 5: Solve for x
    x = 1,236,895,772,592.72/1,280,645.56
  6. Step 6: Final answer
    x = 965,837.71

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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.