Finding the Fourth Proportional to 1,073,182.49, 1,480,668.84 and 643,305.77
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Solution
The fourth proportional to 1,073,182.49, 1,480,668.84 and 643,305.77 is: 887,568.35
Step by Step Solution
- Step 1: Write the proportion equation
1,073,182.49 : 1,480,668.84 = 643,305.77 : x - Step 2: Convert to fraction form
1,073,182.49/1,480,668.84 = 643,305.77/x - Step 3: Cross multiply
1,073,182.49x = 1,480,668.84 × 643,305.77 - Step 4: Simplify right side
1,073,182.49x = 952,522,808,231.21 - Step 5: Solve for x
x = 952,522,808,231.21/1,073,182.49 - Step 6: Final answer
x = 887,568.35
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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.