Home / 1,326,643.80-1,988,799.30-794,376.60

Finding the Fourth Proportional to 1,326,643.80, 1,988,799.30 and 794,376.60

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Solution

The fourth proportional to 1,326,643.80, 1,988,799.30 and 794,376.60 is: 1,190,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,643.80 : 1,988,799.30 = 794,376.60 : x
  2. Step 2: Convert to fraction form
    1,326,643.80/1,988,799.30 = 794,376.60/x
  3. Step 3: Cross multiply
    1,326,643.80x = 1,988,799.30 × 794,376.60
  4. Step 4: Simplify right side
    1,326,643.80x = 1,579,855,626,016.38
  5. Step 5: Solve for x
    x = 1,579,855,626,016.38/1,326,643.80
  6. Step 6: Final answer
    x = 1,190,866.48

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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.