Home / 1,309,803.96-1,806,867.83-765,584.20

Finding the Fourth Proportional to 1,309,803.96, 1,806,867.83 and 765,584.20

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Solution

The fourth proportional to 1,309,803.96, 1,806,867.83 and 765,584.20 is: 1,056,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,803.96 : 1,806,867.83 = 765,584.20 : x
  2. Step 2: Convert to fraction form
    1,309,803.96/1,806,867.83 = 765,584.20/x
  3. Step 3: Cross multiply
    1,309,803.96x = 1,806,867.83 × 765,584.20
  4. Step 4: Simplify right side
    1,309,803.96x = 1,383,309,459,533.08
  5. Step 5: Solve for x
    x = 1,383,309,459,533.08/1,309,803.96
  6. Step 6: Final answer
    x = 1,056,119.47

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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.