Home / 1,309,338.54-1,806,616.26-765,369.18

Finding the Fourth Proportional to 1,309,338.54, 1,806,616.26 and 765,369.18

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Solution

The fourth proportional to 1,309,338.54, 1,806,616.26 and 765,369.18 is: 1,056,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,338.54 : 1,806,616.26 = 765,369.18 : x
  2. Step 2: Convert to fraction form
    1,309,338.54/1,806,616.26 = 765,369.18/x
  3. Step 3: Cross multiply
    1,309,338.54x = 1,806,616.26 × 765,369.18
  4. Step 4: Simplify right side
    1,309,338.54x = 1,382,728,405,490.87
  5. Step 5: Solve for x
    x = 1,382,728,405,490.87/1,309,338.54
  6. Step 6: Final answer
    x = 1,056,051.10

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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.