Home / 1,090,067.40-1,631,990.70-965,651.40

Finding the Fourth Proportional to 1,090,067.40, 1,631,990.70 and 965,651.40

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Solution

The fourth proportional to 1,090,067.40, 1,631,990.70 and 965,651.40 is: 1,445,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,067.40 : 1,631,990.70 = 965,651.40 : x
  2. Step 2: Convert to fraction form
    1,090,067.40/1,631,990.70 = 965,651.40/x
  3. Step 3: Cross multiply
    1,090,067.40x = 1,631,990.70 × 965,651.40
  4. Step 4: Simplify right side
    1,090,067.40x = 1,575,934,104,241.98
  5. Step 5: Solve for x
    x = 1,575,934,104,241.98/1,090,067.40
  6. Step 6: Final answer
    x = 1,445,721.71

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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.