Home / 1,131,531.93-1,698,413.27-831,169.35

Finding the Fourth Proportional to 1,131,531.93, 1,698,413.27 and 831,169.35

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Solution

The fourth proportional to 1,131,531.93, 1,698,413.27 and 831,169.35 is: 1,247,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,531.93 : 1,698,413.27 = 831,169.35 : x
  2. Step 2: Convert to fraction form
    1,131,531.93/1,698,413.27 = 831,169.35/x
  3. Step 3: Cross multiply
    1,131,531.93x = 1,698,413.27 × 831,169.35
  4. Step 4: Simplify right side
    1,131,531.93x = 1,411,669,049,501.43
  5. Step 5: Solve for x
    x = 1,411,669,049,501.43/1,131,531.93
  6. Step 6: Final answer
    x = 1,247,573.32

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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.