Finding the Fourth Proportional to 1,169,519.66, 1,615,516.79 and 881,309.79
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Solution
The fourth proportional to 1,169,519.66, 1,615,516.79 and 881,309.79 is: 1,217,397.89
Step by Step Solution
- Step 1: Write the proportion equation
1,169,519.66 : 1,615,516.79 = 881,309.79 : x - Step 2: Convert to fraction form
1,169,519.66/1,615,516.79 = 881,309.79/x - Step 3: Cross multiply
1,169,519.66x = 1,615,516.79 × 881,309.79 - Step 4: Simplify right side
1,169,519.66x = 1,423,770,765,139.65 - Step 5: Solve for x
x = 1,423,770,765,139.65/1,169,519.66 - Step 6: Final answer
x = 1,217,397.89
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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.