Home / 985,971.38-1,479,477.77-699,633.26

Finding the Fourth Proportional to 985,971.38, 1,479,477.77 and 699,633.26

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Solution

The fourth proportional to 985,971.38, 1,479,477.77 and 699,633.26 is: 1,049,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,971.38 : 1,479,477.77 = 699,633.26 : x
  2. Step 2: Convert to fraction form
    985,971.38/1,479,477.77 = 699,633.26/x
  3. Step 3: Cross multiply
    985,971.38x = 1,479,477.77 × 699,633.26
  4. Step 4: Simplify right side
    985,971.38x = 1,035,091,844,427.08
  5. Step 5: Solve for x
    x = 1,035,091,844,427.08/985,971.38
  6. Step 6: Final answer
    x = 1,049,819.37

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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.