Finding the Fourth Proportional to 1,182,428.68, 1,631,753.76 and 645,884.68
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Solution
The fourth proportional to 1,182,428.68, 1,631,753.76 and 645,884.68 is: 891,322.05
Step by Step Solution
- Step 1: Write the proportion equation
1,182,428.68 : 1,631,753.76 = 645,884.68 : x - Step 2: Convert to fraction form
1,182,428.68/1,631,753.76 = 645,884.68/x - Step 3: Cross multiply
1,182,428.68x = 1,631,753.76 × 645,884.68 - Step 4: Simplify right side
1,182,428.68x = 1,053,924,755,116.40 - Step 5: Solve for x
x = 1,053,924,755,116.40/1,182,428.68 - Step 6: Final answer
x = 891,322.05
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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.