Home / 1,166,413.76-1,609,725.12-879,427.52

Finding the Fourth Proportional to 1,166,413.76, 1,609,725.12 and 879,427.52

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Solution

The fourth proportional to 1,166,413.76, 1,609,725.12 and 879,427.52 is: 1,213,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,413.76 : 1,609,725.12 = 879,427.52 : x
  2. Step 2: Convert to fraction form
    1,166,413.76/1,609,725.12 = 879,427.52/x
  3. Step 3: Cross multiply
    1,166,413.76x = 1,609,725.12 × 879,427.52
  4. Step 4: Simplify right side
    1,166,413.76x = 1,415,636,570,163.30
  5. Step 5: Solve for x
    x = 1,415,636,570,163.30/1,166,413.76
  6. Step 6: Final answer
    x = 1,213,665.87

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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.