Finding the Fourth Proportional to 1,246,879.58, 1,720,659.31 and 703,010.54
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Solution
The fourth proportional to 1,246,879.58, 1,720,659.31 and 703,010.54 is: 970,135.09
Step by Step Solution
- Step 1: Write the proportion equation
1,246,879.58 : 1,720,659.31 = 703,010.54 : x - Step 2: Convert to fraction form
1,246,879.58/1,720,659.31 = 703,010.54/x - Step 3: Cross multiply
1,246,879.58x = 1,720,659.31 × 703,010.54 - Step 4: Simplify right side
1,246,879.58x = 1,209,641,633,223.25 - Step 5: Solve for x
x = 1,209,641,633,223.25/1,246,879.58 - Step 6: Final answer
x = 970,135.09
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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.