Finding the Fourth Proportional to 1,169,520.16, 1,615,517.49 and 881,310.29
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Solution
The fourth proportional to 1,169,520.16, 1,615,517.49 and 881,310.29 is: 1,217,398.59
Step by Step Solution
- Step 1: Write the proportion equation
1,169,520.16 : 1,615,517.49 = 881,310.29 : x - Step 2: Convert to fraction form
1,169,520.16/1,615,517.49 = 881,310.29/x - Step 3: Cross multiply
1,169,520.16x = 1,615,517.49 × 881,310.29 - Step 4: Simplify right side
1,169,520.16x = 1,423,772,183,205.42 - Step 5: Solve for x
x = 1,423,772,183,205.42/1,169,520.16 - Step 6: Final answer
x = 1,217,398.59
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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.