Finding the Fourth Proportional to 1,277,257.59, 1,761,955.84 and 793,638.99
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Solution
The fourth proportional to 1,277,257.59, 1,761,955.84 and 793,638.99 is: 1,094,811.93
Step by Step Solution
- Step 1: Write the proportion equation
1,277,257.59 : 1,761,955.84 = 793,638.99 : x - Step 2: Convert to fraction form
1,277,257.59/1,761,955.84 = 793,638.99/x - Step 3: Cross multiply
1,277,257.59x = 1,761,955.84 × 793,638.99 - Step 4: Simplify right side
1,277,257.59x = 1,398,356,853,282.20 - Step 5: Solve for x
x = 1,398,356,853,282.20/1,277,257.59 - Step 6: Final answer
x = 1,094,811.93
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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.