Finding the Fourth Proportional to 1,502,088.24, 2,072,964.78 and 857,715.42
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Solution
The fourth proportional to 1,502,088.24, 2,072,964.78 and 857,715.42 is: 1,183,694.68
Step by Step Solution
- Step 1: Write the proportion equation
1,502,088.24 : 2,072,964.78 = 857,715.42 : x - Step 2: Convert to fraction form
1,502,088.24/2,072,964.78 = 857,715.42/x - Step 3: Cross multiply
1,502,088.24x = 2,072,964.78 × 857,715.42 - Step 4: Simplify right side
1,502,088.24x = 1,778,013,856,922.91 - Step 5: Solve for x
x = 1,778,013,856,922.91/1,502,088.24 - Step 6: Final answer
x = 1,183,694.68
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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.