Finding the Fourth Proportional to 1,299,173.13, 1,791,969.35 and 847,076.49
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Solution
The fourth proportional to 1,299,173.13, 1,791,969.35 and 847,076.49 is: 1,168,385.54
Step by Step Solution
- Step 1: Write the proportion equation
1,299,173.13 : 1,791,969.35 = 847,076.49 : x - Step 2: Convert to fraction form
1,299,173.13/1,791,969.35 = 847,076.49/x - Step 3: Cross multiply
1,299,173.13x = 1,791,969.35 × 847,076.49 - Step 4: Simplify right side
1,299,173.13x = 1,517,935,102,950.20 - Step 5: Solve for x
x = 1,517,935,102,950.20/1,299,173.13 - Step 6: Final answer
x = 1,168,385.54
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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.