Home / 1,207,794.80-1,815,191.40-1,186,799.60

Finding the Fourth Proportional to 1,207,794.80, 1,815,191.40 and 1,186,799.60

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Solution

The fourth proportional to 1,207,794.80, 1,815,191.40 and 1,186,799.60 is: 1,783,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,794.80 : 1,815,191.40 = 1,186,799.60 : x
  2. Step 2: Convert to fraction form
    1,207,794.80/1,815,191.40 = 1,186,799.60/x
  3. Step 3: Cross multiply
    1,207,794.80x = 1,815,191.40 × 1,186,799.60
  4. Step 4: Simplify right side
    1,207,794.80x = 2,154,268,427,443.44
  5. Step 5: Solve for x
    x = 2,154,268,427,443.44/1,207,794.80
  6. Step 6: Final answer
    x = 1,783,637.77

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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.