Finding the Fourth Proportional to 1,247,802.77, 1,721,968.97 and 674,842.95
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Solution
The fourth proportional to 1,247,802.77, 1,721,968.97 and 674,842.95 is: 931,283.89
Step by Step Solution
- Step 1: Write the proportion equation
1,247,802.77 : 1,721,968.97 = 674,842.95 : x - Step 2: Convert to fraction form
1,247,802.77/1,721,968.97 = 674,842.95/x - Step 3: Cross multiply
1,247,802.77x = 1,721,968.97 × 674,842.95 - Step 4: Simplify right side
1,247,802.77x = 1,162,058,616,149.05 - Step 5: Solve for x
x = 1,162,058,616,149.05/1,247,802.77 - Step 6: Final answer
x = 931,283.89
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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.