Home / 1,309,339.54-1,806,617.64-765,370.18

Finding the Fourth Proportional to 1,309,339.54, 1,806,617.64 and 765,370.18

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Solution

The fourth proportional to 1,309,339.54, 1,806,617.64 and 765,370.18 is: 1,056,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,339.54 : 1,806,617.64 = 765,370.18 : x
  2. Step 2: Convert to fraction form
    1,309,339.54/1,806,617.64 = 765,370.18/x
  3. Step 3: Cross multiply
    1,309,339.54x = 1,806,617.64 × 765,370.18
  4. Step 4: Simplify right side
    1,309,339.54x = 1,382,731,268,317.98
  5. Step 5: Solve for x
    x = 1,382,731,268,317.98/1,309,339.54
  6. Step 6: Final answer
    x = 1,056,052.48

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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.