Home / 1,192,280.58-1,788,041.52-393,413.22

Finding the Fourth Proportional to 1,192,280.58, 1,788,041.52 and 393,413.22

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Solution

The fourth proportional to 1,192,280.58, 1,788,041.52 and 393,413.22 is: 589,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,280.58 : 1,788,041.52 = 393,413.22 : x
  2. Step 2: Convert to fraction form
    1,192,280.58/1,788,041.52 = 393,413.22/x
  3. Step 3: Cross multiply
    1,192,280.58x = 1,788,041.52 × 393,413.22
  4. Step 4: Simplify right side
    1,192,280.58x = 703,439,171,876.89
  5. Step 5: Solve for x
    x = 703,439,171,876.89/1,192,280.58
  6. Step 6: Final answer
    x = 589,994.66

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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.