Finding the Fourth Proportional to 1,348,609.73, 1,861,117.95 and 805,060.99
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Solution
The fourth proportional to 1,348,609.73, 1,861,117.95 and 805,060.99 is: 1,111,005.97
Step by Step Solution
- Step 1: Write the proportion equation
1,348,609.73 : 1,861,117.95 = 805,060.99 : x - Step 2: Convert to fraction form
1,348,609.73/1,861,117.95 = 805,060.99/x - Step 3: Cross multiply
1,348,609.73x = 1,861,117.95 × 805,060.99 - Step 4: Simplify right side
1,348,609.73x = 1,498,313,459,333.77 - Step 5: Solve for x
x = 1,498,313,459,333.77/1,348,609.73 - Step 6: Final answer
x = 1,111,005.97
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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.