Finding the Fourth Proportional to 1,063,581.07, 1,468,283.87 and 821,319.79
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Solution
The fourth proportional to 1,063,581.07, 1,468,283.87 and 821,319.79 is: 1,133,839.84
Step by Step Solution
- Step 1: Write the proportion equation
1,063,581.07 : 1,468,283.87 = 821,319.79 : x - Step 2: Convert to fraction form
1,063,581.07/1,468,283.87 = 821,319.79/x - Step 3: Cross multiply
1,063,581.07x = 1,468,283.87 × 821,319.79 - Step 4: Simplify right side
1,063,581.07x = 1,205,930,588,320.77 - Step 5: Solve for x
x = 1,205,930,588,320.77/1,063,581.07 - Step 6: Final answer
x = 1,133,839.84
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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.