Home / 1,186,971.44-1,780,459.39-288,413.94

Finding the Fourth Proportional to 1,186,971.44, 1,780,459.39 and 288,413.94

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Solution

The fourth proportional to 1,186,971.44, 1,780,459.39 and 288,413.94 is: 432,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,971.44 : 1,780,459.39 = 288,413.94 : x
  2. Step 2: Convert to fraction form
    1,186,971.44/1,780,459.39 = 288,413.94/x
  3. Step 3: Cross multiply
    1,186,971.44x = 1,780,459.39 × 288,413.94
  4. Step 4: Simplify right side
    1,186,971.44x = 513,509,308,400.93
  5. Step 5: Solve for x
    x = 513,509,308,400.93/1,186,971.44
  6. Step 6: Final answer
    x = 432,621.45

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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.