Home / 1,309,807.44-1,807,261.61-765,837.63

Finding the Fourth Proportional to 1,309,807.44, 1,807,261.61 and 765,837.63

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Solution

The fourth proportional to 1,309,807.44, 1,807,261.61 and 765,837.63 is: 1,056,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,807.44 : 1,807,261.61 = 765,837.63 : x
  2. Step 2: Convert to fraction form
    1,309,807.44/1,807,261.61 = 765,837.63/x
  3. Step 3: Cross multiply
    1,309,807.44x = 1,807,261.61 × 765,837.63
  4. Step 4: Simplify right side
    1,309,807.44x = 1,384,068,944,363.20
  5. Step 5: Solve for x
    x = 1,384,068,944,363.20/1,309,807.44
  6. Step 6: Final answer
    x = 1,056,696.51

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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.