Finding the Fourth Proportional to 1,316,086.08, 1,816,202.88 and 712,472.64
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Solution
The fourth proportional to 1,316,086.08, 1,816,202.88 and 712,472.64 is: 983,214.46
Step by Step Solution
- Step 1: Write the proportion equation
1,316,086.08 : 1,816,202.88 = 712,472.64 : x - Step 2: Convert to fraction form
1,316,086.08/1,816,202.88 = 712,472.64/x - Step 3: Cross multiply
1,316,086.08x = 1,816,202.88 × 712,472.64 - Step 4: Simplify right side
1,316,086.08x = 1,293,994,860,689.20 - Step 5: Solve for x
x = 1,293,994,860,689.20/1,316,086.08 - Step 6: Final answer
x = 983,214.46
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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.