Home / 1,301,165.25-1,796,716.13-818,538.09

Finding the Fourth Proportional to 1,301,165.25, 1,796,716.13 and 818,538.09

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Solution

The fourth proportional to 1,301,165.25, 1,796,716.13 and 818,538.09 is: 1,130,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,165.25 : 1,796,716.13 = 818,538.09 : x
  2. Step 2: Convert to fraction form
    1,301,165.25/1,796,716.13 = 818,538.09/x
  3. Step 3: Cross multiply
    1,301,165.25x = 1,796,716.13 × 818,538.09
  4. Step 4: Simplify right side
    1,301,165.25x = 1,470,680,585,229.70
  5. Step 5: Solve for x
    x = 1,470,680,585,229.70/1,301,165.25
  6. Step 6: Final answer
    x = 1,130,279.64

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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.