Home / 1,079,647.80-1,618,089.30-829,087.80

Finding the Fourth Proportional to 1,079,647.80, 1,618,089.30 and 829,087.80

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Solution

The fourth proportional to 1,079,647.80, 1,618,089.30 and 829,087.80 is: 1,242,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,647.80 : 1,618,089.30 = 829,087.80 : x
  2. Step 2: Convert to fraction form
    1,079,647.80/1,618,089.30 = 829,087.80/x
  3. Step 3: Cross multiply
    1,079,647.80x = 1,618,089.30 × 829,087.80
  4. Step 4: Simplify right side
    1,079,647.80x = 1,341,538,097,940.54
  5. Step 5: Solve for x
    x = 1,341,538,097,940.54/1,079,647.80
  6. Step 6: Final answer
    x = 1,242,570.12

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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.