Finding the Fourth Proportional to 1,001,088.26, 1,380,394.82 and 637,936.91
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Solution
The fourth proportional to 1,001,088.26, 1,380,394.82 and 637,936.91 is: 879,647.52
Step by Step Solution
- Step 1: Write the proportion equation
1,001,088.26 : 1,380,394.82 = 637,936.91 : x - Step 2: Convert to fraction form
1,001,088.26/1,380,394.82 = 637,936.91/x - Step 3: Cross multiply
1,001,088.26x = 1,380,394.82 × 637,936.91 - Step 4: Simplify right side
1,001,088.26x = 880,604,795,959.15 - Step 5: Solve for x
x = 880,604,795,959.15/1,001,088.26 - Step 6: Final answer
x = 879,647.52
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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.