Finding the Fourth Proportional to 1,328,811.26, 1,833,733.96 and 725,203.58
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Solution
The fourth proportional to 1,328,811.26, 1,833,733.96 and 725,203.58 is: 1,000,766.98
Step by Step Solution
- Step 1: Write the proportion equation
1,328,811.26 : 1,833,733.96 = 725,203.58 : x - Step 2: Convert to fraction form
1,328,811.26/1,833,733.96 = 725,203.58/x - Step 3: Cross multiply
1,328,811.26x = 1,833,733.96 × 725,203.58 - Step 4: Simplify right side
1,328,811.26x = 1,329,830,421,577.90 - Step 5: Solve for x
x = 1,329,830,421,577.90/1,328,811.26 - Step 6: Final answer
x = 1,000,766.98
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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.