Finding the Fourth Proportional to 1,409,696.66, 1,945,383.08 and 765,116.99
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Solution
The fourth proportional to 1,409,696.66, 1,945,383.08 and 765,116.99 is: 1,055,862.36
Step by Step Solution
- Step 1: Write the proportion equation
1,409,696.66 : 1,945,383.08 = 765,116.99 : x - Step 2: Convert to fraction form
1,409,696.66/1,945,383.08 = 765,116.99/x - Step 3: Cross multiply
1,409,696.66x = 1,945,383.08 × 765,116.99 - Step 4: Simplify right side
1,409,696.66x = 1,488,445,640,309.22 - Step 5: Solve for x
x = 1,488,445,640,309.22/1,409,696.66 - Step 6: Final answer
x = 1,055,862.36
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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.