Home / 1,405,413.95-1,939,475.62-760,832.61

Finding the Fourth Proportional to 1,405,413.95, 1,939,475.62 and 760,832.61

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Solution

The fourth proportional to 1,405,413.95, 1,939,475.62 and 760,832.61 is: 1,049,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,413.95 : 1,939,475.62 = 760,832.61 : x
  2. Step 2: Convert to fraction form
    1,405,413.95/1,939,475.62 = 760,832.61/x
  3. Step 3: Cross multiply
    1,405,413.95x = 1,939,475.62 × 760,832.61
  4. Step 4: Simplify right side
    1,405,413.95x = 1,475,616,288,820.85
  5. Step 5: Solve for x
    x = 1,475,616,288,820.85/1,405,413.95
  6. Step 6: Final answer
    x = 1,049,951.36

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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.