Home / 1,205,614.09-1,665,128.26-793,990.91

Finding the Fourth Proportional to 1,205,614.09, 1,665,128.26 and 793,990.91

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Solution

The fourth proportional to 1,205,614.09, 1,665,128.26 and 793,990.91 is: 1,096,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,614.09 : 1,665,128.26 = 793,990.91 : x
  2. Step 2: Convert to fraction form
    1,205,614.09/1,665,128.26 = 793,990.91/x
  3. Step 3: Cross multiply
    1,205,614.09x = 1,665,128.26 × 793,990.91
  4. Step 4: Simplify right side
    1,205,614.09x = 1,322,096,708,571.91
  5. Step 5: Solve for x
    x = 1,322,096,708,571.91/1,205,614.09
  6. Step 6: Final answer
    x = 1,096,616.84

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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.