Finding the Fourth Proportional to 1,195,809.75, 1,650,283.11 and 686,544.93
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Solution
The fourth proportional to 1,195,809.75, 1,650,283.11 and 686,544.93 is: 947,469.70
Step by Step Solution
- Step 1: Write the proportion equation
1,195,809.75 : 1,650,283.11 = 686,544.93 : x - Step 2: Convert to fraction form
1,195,809.75/1,650,283.11 = 686,544.93/x - Step 3: Cross multiply
1,195,809.75x = 1,650,283.11 × 686,544.93 - Step 4: Simplify right side
1,195,809.75x = 1,132,993,502,235.13 - Step 5: Solve for x
x = 1,132,993,502,235.13/1,195,809.75 - Step 6: Final answer
x = 947,469.70
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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.