Finding the Fourth Proportional to 1,281,812.49, 1,768,366.96 and 737,818.11
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Solution
The fourth proportional to 1,281,812.49, 1,768,366.96 and 737,818.11 is: 1,017,881.46
Step by Step Solution
- Step 1: Write the proportion equation
1,281,812.49 : 1,768,366.96 = 737,818.11 : x - Step 2: Convert to fraction form
1,281,812.49/1,768,366.96 = 737,818.11/x - Step 3: Cross multiply
1,281,812.49x = 1,768,366.96 × 737,818.11 - Step 4: Simplify right side
1,281,812.49x = 1,304,733,166,369.10 - Step 5: Solve for x
x = 1,304,733,166,369.10/1,281,812.49 - Step 6: Final answer
x = 1,017,881.46
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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.