Home / 1,382,908.50-1,908,413.73-747,004.50

Finding the Fourth Proportional to 1,382,908.50, 1,908,413.73 and 747,004.50

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Solution

The fourth proportional to 1,382,908.50, 1,908,413.73 and 747,004.50 is: 1,030,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,908.50 : 1,908,413.73 = 747,004.50 : x
  2. Step 2: Convert to fraction form
    1,382,908.50/1,908,413.73 = 747,004.50/x
  3. Step 3: Cross multiply
    1,382,908.50x = 1,908,413.73 × 747,004.50
  4. Step 4: Simplify right side
    1,382,908.50x = 1,425,593,644,171.79
  5. Step 5: Solve for x
    x = 1,425,593,644,171.79/1,382,908.50
  6. Step 6: Final answer
    x = 1,030,866.21

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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.