Home / 1,255,413.90-1,732,450.77-682,468.50

Finding the Fourth Proportional to 1,255,413.90, 1,732,450.77 and 682,468.50

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Solution

The fourth proportional to 1,255,413.90, 1,732,450.77 and 682,468.50 is: 941,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,413.90 : 1,732,450.77 = 682,468.50 : x
  2. Step 2: Convert to fraction form
    1,255,413.90/1,732,450.77 = 682,468.50/x
  3. Step 3: Cross multiply
    1,255,413.90x = 1,732,450.77 × 682,468.50
  4. Step 4: Simplify right side
    1,255,413.90x = 1,182,343,078,325.75
  5. Step 5: Solve for x
    x = 1,182,343,078,325.75/1,255,413.90
  6. Step 6: Final answer
    x = 941,795.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.