Home / 1,135,789.20-1,703,683.80-966,920.40

Finding the Fourth Proportional to 1,135,789.20, 1,703,683.80 and 966,920.40

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Solution

The fourth proportional to 1,135,789.20, 1,703,683.80 and 966,920.40 is: 1,450,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,789.20 : 1,703,683.80 = 966,920.40 : x
  2. Step 2: Convert to fraction form
    1,135,789.20/1,703,683.80 = 966,920.40/x
  3. Step 3: Cross multiply
    1,135,789.20x = 1,703,683.80 × 966,920.40
  4. Step 4: Simplify right side
    1,135,789.20x = 1,647,326,621,369.52
  5. Step 5: Solve for x
    x = 1,647,326,621,369.52/1,135,789.20
  6. Step 6: Final answer
    x = 1,450,380.60

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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.