Home / 1,268,879.56-1,903,817.49-558,409.22

Finding the Fourth Proportional to 1,268,879.56, 1,903,817.49 and 558,409.22

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Solution

The fourth proportional to 1,268,879.56, 1,903,817.49 and 558,409.22 is: 837,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,879.56 : 1,903,817.49 = 558,409.22 : x
  2. Step 2: Convert to fraction form
    1,268,879.56/1,903,817.49 = 558,409.22/x
  3. Step 3: Cross multiply
    1,268,879.56x = 1,903,817.49 × 558,409.22
  4. Step 4: Simplify right side
    1,268,879.56x = 1,063,109,239,613.26
  5. Step 5: Solve for x
    x = 1,063,109,239,613.26/1,268,879.56
  6. Step 6: Final answer
    x = 837,833.06

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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.