Home / 1,028,709.80-1,419,642.39-587,175.46

Finding the Fourth Proportional to 1,028,709.80, 1,419,642.39 and 587,175.46

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Solution

The fourth proportional to 1,028,709.80, 1,419,642.39 and 587,175.46 is: 810,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,709.80 : 1,419,642.39 = 587,175.46 : x
  2. Step 2: Convert to fraction form
    1,028,709.80/1,419,642.39 = 587,175.46/x
  3. Step 3: Cross multiply
    1,028,709.80x = 1,419,642.39 × 587,175.46
  4. Step 4: Simplify right side
    1,028,709.80x = 833,579,173,383.75
  5. Step 5: Solve for x
    x = 833,579,173,383.75/1,028,709.80
  6. Step 6: Final answer
    x = 810,315.19

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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.