Home / 1,301,328.42-1,795,832.82-728,368.44

Finding the Fourth Proportional to 1,301,328.42, 1,795,832.82 and 728,368.44

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Solution

The fourth proportional to 1,301,328.42, 1,795,832.82 and 728,368.44 is: 1,005,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,328.42 : 1,795,832.82 = 728,368.44 : x
  2. Step 2: Convert to fraction form
    1,301,328.42/1,795,832.82 = 728,368.44/x
  3. Step 3: Cross multiply
    1,301,328.42x = 1,795,832.82 × 728,368.44
  4. Step 4: Simplify right side
    1,301,328.42x = 1,308,027,949,604.20
  5. Step 5: Solve for x
    x = 1,308,027,949,604.20/1,301,328.42
  6. Step 6: Final answer
    x = 1,005,148.22

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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.