Home / 1,579,413.69-2,179,591.29-891,231.39

Finding the Fourth Proportional to 1,579,413.69, 2,179,591.29 and 891,231.39

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Solution

The fourth proportional to 1,579,413.69, 2,179,591.29 and 891,231.39 is: 1,229,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,413.69 : 2,179,591.29 = 891,231.39 : x
  2. Step 2: Convert to fraction form
    1,579,413.69/2,179,591.29 = 891,231.39/x
  3. Step 3: Cross multiply
    1,579,413.69x = 2,179,591.29 × 891,231.39
  4. Step 4: Simplify right side
    1,579,413.69x = 1,942,520,175,018.59
  5. Step 5: Solve for x
    x = 1,942,520,175,018.59/1,579,413.69
  6. Step 6: Final answer
    x = 1,229,899.54

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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.