Finding the Fourth Proportional to 1,117,927.36, 1,676,296.50 and 819,137.80
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Solution
The fourth proportional to 1,117,927.36, 1,676,296.50 and 819,137.80 is: 1,228,271.06
Step by Step Solution
- Step 1: Write the proportion equation
1,117,927.36 : 1,676,296.50 = 819,137.80 : x - Step 2: Convert to fraction form
1,117,927.36/1,676,296.50 = 819,137.80/x - Step 3: Cross multiply
1,117,927.36x = 1,676,296.50 × 819,137.80 - Step 4: Simplify right side
1,117,927.36x = 1,373,117,827,157.70 - Step 5: Solve for x
x = 1,373,117,827,157.70/1,117,927.36 - Step 6: Final answer
x = 1,228,271.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.