Home / 1,090,656.68-1,633,548.78-790,448.10

Finding the Fourth Proportional to 1,090,656.68, 1,633,548.78 and 790,448.10

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Solution

The fourth proportional to 1,090,656.68, 1,633,548.78 and 790,448.10 is: 1,183,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,656.68 : 1,633,548.78 = 790,448.10 : x
  2. Step 2: Convert to fraction form
    1,090,656.68/1,633,548.78 = 790,448.10/x
  3. Step 3: Cross multiply
    1,090,656.68x = 1,633,548.78 × 790,448.10
  4. Step 4: Simplify right side
    1,090,656.68x = 1,291,235,517,288.33
  5. Step 5: Solve for x
    x = 1,291,235,517,288.33/1,090,656.68
  6. Step 6: Final answer
    x = 1,183,906.49

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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.