Home / 1,441,786.41-1,989,675.39-788,415.30

Finding the Fourth Proportional to 1,441,786.41, 1,989,675.39 and 788,415.30

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Solution

The fourth proportional to 1,441,786.41, 1,989,675.39 and 788,415.30 is: 1,088,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,786.41 : 1,989,675.39 = 788,415.30 : x
  2. Step 2: Convert to fraction form
    1,441,786.41/1,989,675.39 = 788,415.30/x
  3. Step 3: Cross multiply
    1,441,786.41x = 1,989,675.39 × 788,415.30
  4. Step 4: Simplify right side
    1,441,786.41x = 1,568,690,519,509.47
  5. Step 5: Solve for x
    x = 1,568,690,519,509.47/1,441,786.41
  6. Step 6: Final answer
    x = 1,088,018.66

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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.