Finding the Fourth Proportional to 1,117,177.26, 1,674,434.24 and 778,383.42
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Solution
The fourth proportional to 1,117,177.26, 1,674,434.24 and 778,383.42 is: 1,166,647.31
Step by Step Solution
- Step 1: Write the proportion equation
1,117,177.26 : 1,674,434.24 = 778,383.42 : x - Step 2: Convert to fraction form
1,117,177.26/1,674,434.24 = 778,383.42/x - Step 3: Cross multiply
1,117,177.26x = 1,674,434.24 × 778,383.42 - Step 4: Simplify right side
1,117,177.26x = 1,303,351,850,296.30 - Step 5: Solve for x
x = 1,303,351,850,296.30/1,117,177.26 - Step 6: Final answer
x = 1,166,647.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.