Finding the Fourth Proportional to 1,236,201.34, 1,705,762.99 and 720,040.18
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Solution
The fourth proportional to 1,236,201.34, 1,705,762.99 and 720,040.18 is: 993,541.95
Step by Step Solution
- Step 1: Write the proportion equation
1,236,201.34 : 1,705,762.99 = 720,040.18 : x - Step 2: Convert to fraction form
1,236,201.34/1,705,762.99 = 720,040.18/x - Step 3: Cross multiply
1,236,201.34x = 1,705,762.99 × 720,040.18 - Step 4: Simplify right side
1,236,201.34x = 1,228,217,890,356.94 - Step 5: Solve for x
x = 1,228,217,890,356.94/1,236,201.34 - Step 6: Final answer
x = 993,541.95
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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.