Home / 1,329,912.80-1,992,061.20-880,848.80

Finding the Fourth Proportional to 1,329,912.80, 1,992,061.20 and 880,848.80

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Solution

The fourth proportional to 1,329,912.80, 1,992,061.20 and 880,848.80 is: 1,319,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,912.80 : 1,992,061.20 = 880,848.80 : x
  2. Step 2: Convert to fraction form
    1,329,912.80/1,992,061.20 = 880,848.80/x
  3. Step 3: Cross multiply
    1,329,912.80x = 1,992,061.20 × 880,848.80
  4. Step 4: Simplify right side
    1,329,912.80x = 1,754,704,717,546.56
  5. Step 5: Solve for x
    x = 1,754,704,717,546.56/1,329,912.80
  6. Step 6: Final answer
    x = 1,319,413.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.