Home / 1,326,768.80-1,988,986.80-794,501.60

Finding the Fourth Proportional to 1,326,768.80, 1,988,986.80 and 794,501.60

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Solution

The fourth proportional to 1,326,768.80, 1,988,986.80 and 794,501.60 is: 1,191,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,768.80 : 1,988,986.80 = 794,501.60 : x
  2. Step 2: Convert to fraction form
    1,326,768.80/1,988,986.80 = 794,501.60/x
  3. Step 3: Cross multiply
    1,326,768.80x = 1,988,986.80 × 794,501.60
  4. Step 4: Simplify right side
    1,326,768.80x = 1,580,253,194,978.88
  5. Step 5: Solve for x
    x = 1,580,253,194,978.88/1,326,768.80
  6. Step 6: Final answer
    x = 1,191,053.93

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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.