Home / 1,008,413.18-1,391,603.54-555,704.54

Finding the Fourth Proportional to 1,008,413.18, 1,391,603.54 and 555,704.54

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Solution

The fourth proportional to 1,008,413.18, 1,391,603.54 and 555,704.54 is: 766,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,413.18 : 1,391,603.54 = 555,704.54 : x
  2. Step 2: Convert to fraction form
    1,008,413.18/1,391,603.54 = 555,704.54/x
  3. Step 3: Cross multiply
    1,008,413.18x = 1,391,603.54 × 555,704.54
  4. Step 4: Simplify right side
    1,008,413.18x = 773,320,405,058.07
  5. Step 5: Solve for x
    x = 773,320,405,058.07/1,008,413.18
  6. Step 6: Final answer
    x = 766,868.60

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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.