Finding the Fourth Proportional to 1,257,542.05, 1,736,560.93 and 798,804.42
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Solution
The fourth proportional to 1,257,542.05, 1,736,560.93 and 798,804.42 is: 1,103,082.44
Step by Step Solution
- Step 1: Write the proportion equation
1,257,542.05 : 1,736,560.93 = 798,804.42 : x - Step 2: Convert to fraction form
1,257,542.05/1,736,560.93 = 798,804.42/x - Step 3: Cross multiply
1,257,542.05x = 1,736,560.93 × 798,804.42 - Step 4: Simplify right side
1,257,542.05x = 1,387,172,546,483.31 - Step 5: Solve for x
x = 1,387,172,546,483.31/1,257,542.05 - Step 6: Final answer
x = 1,103,082.44
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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.