Finding the Fourth Proportional to 1,292,247.92, 1,783,302.18 and 719,275.82
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Solution
The fourth proportional to 1,292,247.92, 1,783,302.18 and 719,275.82 is: 992,600.66
Step by Step Solution
- Step 1: Write the proportion equation
1,292,247.92 : 1,783,302.18 = 719,275.82 : x - Step 2: Convert to fraction form
1,292,247.92/1,783,302.18 = 719,275.82/x - Step 3: Cross multiply
1,292,247.92x = 1,783,302.18 × 719,275.82 - Step 4: Simplify right side
1,292,247.92x = 1,282,686,137,827.29 - Step 5: Solve for x
x = 1,282,686,137,827.29/1,292,247.92 - Step 6: Final answer
x = 992,600.66
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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.