Finding the Fourth Proportional to 1,117,722.02, 1,539,518.13 and 859,104.42
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Solution
The fourth proportional to 1,117,722.02, 1,539,518.13 and 859,104.42 is: 1,183,305.69
Step by Step Solution
- Step 1: Write the proportion equation
1,117,722.02 : 1,539,518.13 = 859,104.42 : x - Step 2: Convert to fraction form
1,117,722.02/1,539,518.13 = 859,104.42/x - Step 3: Cross multiply
1,117,722.02x = 1,539,518.13 × 859,104.42 - Step 4: Simplify right side
1,117,722.02x = 1,322,606,830,153.13 - Step 5: Solve for x
x = 1,322,606,830,153.13/1,117,722.02 - Step 6: Final answer
x = 1,183,305.69
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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.