Finding the Fourth Proportional to 1,307,442.31, 1,804,316.64 and 726,677.02
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Solution
The fourth proportional to 1,307,442.31, 1,804,316.64 and 726,677.02 is: 1,002,839.99
Step by Step Solution
- Step 1: Write the proportion equation
1,307,442.31 : 1,804,316.64 = 726,677.02 : x - Step 2: Convert to fraction form
1,307,442.31/1,804,316.64 = 726,677.02/x - Step 3: Cross multiply
1,307,442.31x = 1,804,316.64 × 726,677.02 - Step 4: Simplify right side
1,307,442.31x = 1,311,155,439,091.61 - Step 5: Solve for x
x = 1,311,155,439,091.61/1,307,442.31 - Step 6: Final answer
x = 1,002,839.99
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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.