Finding the Fourth Proportional to 1,319,211.68, 1,820,508.84 and 715,599.68
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Solution
The fourth proportional to 1,319,211.68, 1,820,508.84 and 715,599.68 is: 987,525.78
Step by Step Solution
- Step 1: Write the proportion equation
1,319,211.68 : 1,820,508.84 = 715,599.68 : x - Step 2: Convert to fraction form
1,319,211.68/1,820,508.84 = 715,599.68/x - Step 3: Cross multiply
1,319,211.68x = 1,820,508.84 × 715,599.68 - Step 4: Simplify right side
1,319,211.68x = 1,302,755,543,341.17 - Step 5: Solve for x
x = 1,302,755,543,341.17/1,319,211.68 - Step 6: Final answer
x = 987,525.78
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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.