Home / 1,670,699.26-2,507,103.09-711,153.33

Finding the Fourth Proportional to 1,670,699.26, 2,507,103.09 and 711,153.33

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Solution

The fourth proportional to 1,670,699.26, 2,507,103.09 and 711,153.33 is: 1,067,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,699.26 : 2,507,103.09 = 711,153.33 : x
  2. Step 2: Convert to fraction form
    1,670,699.26/2,507,103.09 = 711,153.33/x
  3. Step 3: Cross multiply
    1,670,699.26x = 2,507,103.09 × 711,153.33
  4. Step 4: Simplify right side
    1,670,699.26x = 1,782,934,708,439.97
  5. Step 5: Solve for x
    x = 1,782,934,708,439.97/1,670,699.26
  6. Step 6: Final answer
    x = 1,067,178.73

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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.