Finding the Fourth Proportional to 1,132,427.21, 1,562,702.39 and 616,183.12
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Solution
The fourth proportional to 1,132,427.21, 1,562,702.39 and 616,183.12 is: 850,307.05
Step by Step Solution
- Step 1: Write the proportion equation
1,132,427.21 : 1,562,702.39 = 616,183.12 : x - Step 2: Convert to fraction form
1,132,427.21/1,562,702.39 = 616,183.12/x - Step 3: Cross multiply
1,132,427.21x = 1,562,702.39 × 616,183.12 - Step 4: Simplify right side
1,132,427.21x = 962,910,835,484.81 - Step 5: Solve for x
x = 962,910,835,484.81/1,132,427.21 - Step 6: Final answer
x = 850,307.05
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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.