Finding the Fourth Proportional to 1,158,935.31, 1,599,330.62 and 642,767.94
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Solution
The fourth proportional to 1,158,935.31, 1,599,330.62 and 642,767.94 is: 887,019.70
Step by Step Solution
- Step 1: Write the proportion equation
1,158,935.31 : 1,599,330.62 = 642,767.94 : x - Step 2: Convert to fraction form
1,158,935.31/1,599,330.62 = 642,767.94/x - Step 3: Cross multiply
1,158,935.31x = 1,599,330.62 × 642,767.94 - Step 4: Simplify right side
1,158,935.31x = 1,027,998,449,603.24 - Step 5: Solve for x
x = 1,027,998,449,603.24/1,158,935.31 - Step 6: Final answer
x = 887,019.70
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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.