Home / 1,079,323.80-1,617,603.30-828,763.80

Finding the Fourth Proportional to 1,079,323.80, 1,617,603.30 and 828,763.80

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Solution

The fourth proportional to 1,079,323.80, 1,617,603.30 and 828,763.80 is: 1,242,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,323.80 : 1,617,603.30 = 828,763.80 : x
  2. Step 2: Convert to fraction form
    1,079,323.80/1,617,603.30 = 828,763.80/x
  3. Step 3: Cross multiply
    1,079,323.80x = 1,617,603.30 × 828,763.80
  4. Step 4: Simplify right side
    1,079,323.80x = 1,340,611,057,800.54
  5. Step 5: Solve for x
    x = 1,340,611,057,800.54/1,079,323.80
  6. Step 6: Final answer
    x = 1,242,084.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.