Home / 1,311,051.53-1,809,301.58-759,786.14

Finding the Fourth Proportional to 1,311,051.53, 1,809,301.58 and 759,786.14

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Solution

The fourth proportional to 1,311,051.53, 1,809,301.58 and 759,786.14 is: 1,048,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,051.53 : 1,809,301.58 = 759,786.14 : x
  2. Step 2: Convert to fraction form
    1,311,051.53/1,809,301.58 = 759,786.14/x
  3. Step 3: Cross multiply
    1,311,051.53x = 1,809,301.58 × 759,786.14
  4. Step 4: Simplify right side
    1,311,051.53x = 1,374,682,259,765.17
  5. Step 5: Solve for x
    x = 1,374,682,259,765.17/1,311,051.53
  6. Step 6: Final answer
    x = 1,048,534.12

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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.