Finding the Fourth Proportional to 1,256,438.33, 1,884,657.62 and 878,097.99
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Solution
The fourth proportional to 1,256,438.33, 1,884,657.62 and 878,097.99 is: 1,317,147.08
Step by Step Solution
- Step 1: Write the proportion equation
1,256,438.33 : 1,884,657.62 = 878,097.99 : x - Step 2: Convert to fraction form
1,256,438.33/1,884,657.62 = 878,097.99/x - Step 3: Cross multiply
1,256,438.33x = 1,884,657.62 × 878,097.99 - Step 4: Simplify right side
1,256,438.33x = 1,654,914,070,155.43 - Step 5: Solve for x
x = 1,654,914,070,155.43/1,256,438.33 - Step 6: Final answer
x = 1,317,147.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.