Home / 1,117,802.88-1,542,780.52-634,413.28

Finding the Fourth Proportional to 1,117,802.88, 1,542,780.52 and 634,413.28

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Solution

The fourth proportional to 1,117,802.88, 1,542,780.52 and 634,413.28 is: 875,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,802.88 : 1,542,780.52 = 634,413.28 : x
  2. Step 2: Convert to fraction form
    1,117,802.88/1,542,780.52 = 634,413.28/x
  3. Step 3: Cross multiply
    1,117,802.88x = 1,542,780.52 × 634,413.28
  4. Step 4: Simplify right side
    1,117,802.88x = 978,760,450,013.31
  5. Step 5: Solve for x
    x = 978,760,450,013.31/1,117,802.88
  6. Step 6: Final answer
    x = 875,610.96

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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.