Home / 1,018,716.48-1,405,837.08-636,964.56

Finding the Fourth Proportional to 1,018,716.48, 1,405,837.08 and 636,964.56

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Solution

The fourth proportional to 1,018,716.48, 1,405,837.08 and 636,964.56 is: 879,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,716.48 : 1,405,837.08 = 636,964.56 : x
  2. Step 2: Convert to fraction form
    1,018,716.48/1,405,837.08 = 636,964.56/x
  3. Step 3: Cross multiply
    1,018,716.48x = 1,405,837.08 × 636,964.56
  4. Step 4: Simplify right side
    1,018,716.48x = 895,468,397,093.89
  5. Step 5: Solve for x
    x = 895,468,397,093.89/1,018,716.48
  6. Step 6: Final answer
    x = 879,016.31

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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.