Finding the Fourth Proportional to 1,226,943.24, 1,692,787.86 and 743,353.80
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Solution
The fourth proportional to 1,226,943.24, 1,692,787.86 and 743,353.80 is: 1,025,589.65
Step by Step Solution
- Step 1: Write the proportion equation
1,226,943.24 : 1,692,787.86 = 743,353.80 : x - Step 2: Convert to fraction form
1,226,943.24/1,692,787.86 = 743,353.80/x - Step 3: Cross multiply
1,226,943.24x = 1,692,787.86 × 743,353.80 - Step 4: Simplify right side
1,226,943.24x = 1,258,340,288,324.87 - Step 5: Solve for x
x = 1,258,340,288,324.87/1,226,943.24 - Step 6: Final answer
x = 1,025,589.65
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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.