Home / 1,442,665-1,990,936.32-798,074.08

Finding the Fourth Proportional to 1,442,665, 1,990,936.32 and 798,074.08

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Solution

The fourth proportional to 1,442,665, 1,990,936.32 and 798,074.08 is: 1,101,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,665 : 1,990,936.32 = 798,074.08 : x
  2. Step 2: Convert to fraction form
    1,442,665/1,990,936.32 = 798,074.08/x
  3. Step 3: Cross multiply
    1,442,665x = 1,990,936.32 × 798,074.08
  4. Step 4: Simplify right side
    1,442,665x = 1,588,914,671,922.59
  5. Step 5: Solve for x
    x = 1,588,914,671,922.59/1,442,665
  6. Step 6: Final answer
    x = 1,101,374.66

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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.