Home / 1,636,682.80-2,257,839.96-1,271,608.39

Finding the Fourth Proportional to 1,636,682.80, 2,257,839.96 and 1,271,608.39

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Solution

The fourth proportional to 1,636,682.80, 2,257,839.96 and 1,271,608.39 is: 1,754,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,682.80 : 2,257,839.96 = 1,271,608.39 : x
  2. Step 2: Convert to fraction form
    1,636,682.80/2,257,839.96 = 1,271,608.39/x
  3. Step 3: Cross multiply
    1,636,682.80x = 2,257,839.96 × 1,271,608.39
  4. Step 4: Simplify right side
    1,636,682.80x = 2,871,088,236,413.26
  5. Step 5: Solve for x
    x = 2,871,088,236,413.26/1,636,682.80
  6. Step 6: Final answer
    x = 1,754,211.77

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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.