Home / 1,243,349.48-1,715,819.62-699,485.64

Finding the Fourth Proportional to 1,243,349.48, 1,715,819.62 and 699,485.64

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Solution

The fourth proportional to 1,243,349.48, 1,715,819.62 and 699,485.64 is: 965,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,349.48 : 1,715,819.62 = 699,485.64 : x
  2. Step 2: Convert to fraction form
    1,243,349.48/1,715,819.62 = 699,485.64/x
  3. Step 3: Cross multiply
    1,243,349.48x = 1,715,819.62 × 699,485.64
  4. Step 4: Simplify right side
    1,243,349.48x = 1,200,191,185,020.26
  5. Step 5: Solve for x
    x = 1,200,191,185,020.26/1,243,349.48
  6. Step 6: Final answer
    x = 965,288.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.