Finding the Fourth Proportional to 1,310,336.28, 1,808,258.40 and 737,386.20
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Solution
The fourth proportional to 1,310,336.28, 1,808,258.40 and 737,386.20 is: 1,017,589.77
Step by Step Solution
- Step 1: Write the proportion equation
1,310,336.28 : 1,808,258.40 = 737,386.20 : x - Step 2: Convert to fraction form
1,310,336.28/1,808,258.40 = 737,386.20/x - Step 3: Cross multiply
1,310,336.28x = 1,808,258.40 × 737,386.20 - Step 4: Simplify right side
1,310,336.28x = 1,333,384,790,194.08 - Step 5: Solve for x
x = 1,333,384,790,194.08/1,310,336.28 - Step 6: Final answer
x = 1,017,589.77
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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.