Finding the Fourth Proportional to 1,018,618.18, 1,405,776.84 and 656,795.26
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Solution
The fourth proportional to 1,018,618.18, 1,405,776.84 and 656,795.26 is: 906,431.46
Step by Step Solution
- Step 1: Write the proportion equation
1,018,618.18 : 1,405,776.84 = 656,795.26 : x - Step 2: Convert to fraction form
1,018,618.18/1,405,776.84 = 656,795.26/x - Step 3: Cross multiply
1,018,618.18x = 1,405,776.84 × 656,795.26 - Step 4: Simplify right side
1,018,618.18x = 923,307,565,129.78 - Step 5: Solve for x
x = 923,307,565,129.78/1,018,618.18 - Step 6: Final answer
x = 906,431.46
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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.