Finding the Fourth Proportional to 1,117,432, 1,541,787.24 and 658,564.84
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Solution
The fourth proportional to 1,117,432, 1,541,787.24 and 658,564.84 is: 908,660.99
Step by Step Solution
- Step 1: Write the proportion equation
1,117,432 : 1,541,787.24 = 658,564.84 : x - Step 2: Convert to fraction form
1,117,432/1,541,787.24 = 658,564.84/x - Step 3: Cross multiply
1,117,432x = 1,541,787.24 × 658,564.84 - Step 4: Simplify right side
1,117,432x = 1,015,366,867,024.64 - Step 5: Solve for x
x = 1,015,366,867,024.64/1,117,432 - Step 6: Final answer
x = 908,660.99
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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.