Finding the Fourth Proportional to 1,088,138.84, 1,631,113.34 and 448,908.80
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Solution
The fourth proportional to 1,088,138.84, 1,631,113.34 and 448,908.80 is: 672,911.49
Step by Step Solution
- Step 1: Write the proportion equation
1,088,138.84 : 1,631,113.34 = 448,908.80 : x - Step 2: Convert to fraction form
1,088,138.84/1,631,113.34 = 448,908.80/x - Step 3: Cross multiply
1,088,138.84x = 1,631,113.34 × 448,908.80 - Step 4: Simplify right side
1,088,138.84x = 732,221,132,123.39 - Step 5: Solve for x
x = 732,221,132,123.39/1,088,138.84 - Step 6: Final answer
x = 672,911.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.