Finding the Fourth Proportional to 1,017,201.84, 1,400,537.88 and 863,910.96
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Solution
The fourth proportional to 1,017,201.84, 1,400,537.88 and 863,910.96 is: 1,189,478.80
Step by Step Solution
- Step 1: Write the proportion equation
1,017,201.84 : 1,400,537.88 = 863,910.96 : x - Step 2: Convert to fraction form
1,017,201.84/1,400,537.88 = 863,910.96/x - Step 3: Cross multiply
1,017,201.84x = 1,400,537.88 × 863,910.96 - Step 4: Simplify right side
1,017,201.84x = 1,209,940,024,427.16 - Step 5: Solve for x
x = 1,209,940,024,427.16/1,017,201.84 - Step 6: Final answer
x = 1,189,478.80
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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.