Finding the Fourth Proportional to 1,253,069.70, 1,729,237.68 and 680,110.02
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Solution
The fourth proportional to 1,253,069.70, 1,729,237.68 and 680,110.02 is: 938,552.64
Step by Step Solution
- Step 1: Write the proportion equation
1,253,069.70 : 1,729,237.68 = 680,110.02 : x - Step 2: Convert to fraction form
1,253,069.70/1,729,237.68 = 680,110.02/x - Step 3: Cross multiply
1,253,069.70x = 1,729,237.68 × 680,110.02 - Step 4: Simplify right side
1,253,069.70x = 1,176,071,873,129.55 - Step 5: Solve for x
x = 1,176,071,873,129.55/1,253,069.70 - Step 6: Final answer
x = 938,552.64
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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.