Home / 1,400,413.12-1,932,754.26-788,685.47

Finding the Fourth Proportional to 1,400,413.12, 1,932,754.26 and 788,685.47

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Solution

The fourth proportional to 1,400,413.12, 1,932,754.26 and 788,685.47 is: 1,088,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,413.12 : 1,932,754.26 = 788,685.47 : x
  2. Step 2: Convert to fraction form
    1,400,413.12/1,932,754.26 = 788,685.47/x
  3. Step 3: Cross multiply
    1,400,413.12x = 1,932,754.26 × 788,685.47
  4. Step 4: Simplify right side
    1,400,413.12x = 1,524,335,192,278.83
  5. Step 5: Solve for x
    x = 1,524,335,192,278.83/1,400,413.12
  6. Step 6: Final answer
    x = 1,088,489.66

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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.