Home / 1,186,970.69-1,780,458.27-288,413.19

Finding the Fourth Proportional to 1,186,970.69, 1,780,458.27 and 288,413.19

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Solution

The fourth proportional to 1,186,970.69, 1,780,458.27 and 288,413.19 is: 432,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,970.69 : 1,780,458.27 = 288,413.19 : x
  2. Step 2: Convert to fraction form
    1,186,970.69/1,780,458.27 = 288,413.19/x
  3. Step 3: Cross multiply
    1,186,970.69x = 1,780,458.27 × 288,413.19
  4. Step 4: Simplify right side
    1,186,970.69x = 513,507,648,231.03
  5. Step 5: Solve for x
    x = 513,507,648,231.03/1,186,970.69
  6. Step 6: Final answer
    x = 432,620.33

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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.