Finding the Fourth Proportional to 1,018,617.18, 1,405,775.46 and 656,794.26
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Solution
The fourth proportional to 1,018,617.18, 1,405,775.46 and 656,794.26 is: 906,430.08
Step by Step Solution
- Step 1: Write the proportion equation
1,018,617.18 : 1,405,775.46 = 656,794.26 : x - Step 2: Convert to fraction form
1,018,617.18/1,405,775.46 = 656,794.26/x - Step 3: Cross multiply
1,018,617.18x = 1,405,775.46 × 656,794.26 - Step 4: Simplify right side
1,018,617.18x = 923,305,252,976.86 - Step 5: Solve for x
x = 923,305,252,976.86/1,018,617.18 - Step 6: Final answer
x = 906,430.08
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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.