Finding the Fourth Proportional to 1,085,208.94, 1,497,515.07 and 626,342.86
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Solution
The fourth proportional to 1,085,208.94, 1,497,515.07 and 626,342.86 is: 864,310.86
Step by Step Solution
- Step 1: Write the proportion equation
1,085,208.94 : 1,497,515.07 = 626,342.86 : x - Step 2: Convert to fraction form
1,085,208.94/1,497,515.07 = 626,342.86/x - Step 3: Cross multiply
1,085,208.94x = 1,497,515.07 × 626,342.86 - Step 4: Simplify right side
1,085,208.94x = 937,957,871,836.90 - Step 5: Solve for x
x = 937,957,871,836.90/1,085,208.94 - Step 6: Final answer
x = 864,310.86
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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.