Finding the Fourth Proportional to 1,148,315.06, 1,584,675.70 and 664,906.05
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Solution
The fourth proportional to 1,148,315.06, 1,584,675.70 and 664,906.05 is: 917,570.88
Step by Step Solution
- Step 1: Write the proportion equation
1,148,315.06 : 1,584,675.70 = 664,906.05 : x - Step 2: Convert to fraction form
1,148,315.06/1,584,675.70 = 664,906.05/x - Step 3: Cross multiply
1,148,315.06x = 1,584,675.70 × 664,906.05 - Step 4: Simplify right side
1,148,315.06x = 1,053,660,458,555.72 - Step 5: Solve for x
x = 1,053,660,458,555.72/1,148,315.06 - Step 6: Final answer
x = 917,570.88
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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.