Finding the Fourth Proportional to 1,252,420.44, 1,728,343.55 and 679,460.61
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Solution
The fourth proportional to 1,252,420.44, 1,728,343.55 and 679,460.61 is: 937,657.46
Step by Step Solution
- Step 1: Write the proportion equation
1,252,420.44 : 1,728,343.55 = 679,460.61 : x - Step 2: Convert to fraction form
1,252,420.44/1,728,343.55 = 679,460.61/x - Step 3: Cross multiply
1,252,420.44x = 1,728,343.55 × 679,460.61 - Step 4: Simplify right side
1,252,420.44x = 1,174,341,362,772.57 - Step 5: Solve for x
x = 1,174,341,362,772.57/1,252,420.44 - Step 6: Final answer
x = 937,657.46
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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.