Finding the Fourth Proportional to 1,369,991.08, 1,890,591.36 and 758,186.03
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Solution
The fourth proportional to 1,369,991.08, 1,890,591.36 and 758,186.03 is: 1,046,298.76
Step by Step Solution
- Step 1: Write the proportion equation
1,369,991.08 : 1,890,591.36 = 758,186.03 : x - Step 2: Convert to fraction form
1,369,991.08/1,890,591.36 = 758,186.03/x - Step 3: Cross multiply
1,369,991.08x = 1,890,591.36 × 758,186.03 - Step 4: Simplify right side
1,369,991.08x = 1,433,419,964,265.04 - Step 5: Solve for x
x = 1,433,419,964,265.04/1,369,991.08 - Step 6: Final answer
x = 1,046,298.76
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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.