Finding the Fourth Proportional to 1,135,029.87, 1,566,353.34 and 625,750.47
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Solution
The fourth proportional to 1,135,029.87, 1,566,353.34 and 625,750.47 is: 863,542.33
Step by Step Solution
- Step 1: Write the proportion equation
1,135,029.87 : 1,566,353.34 = 625,750.47 : x - Step 2: Convert to fraction form
1,135,029.87/1,566,353.34 = 625,750.47/x - Step 3: Cross multiply
1,135,029.87x = 1,566,353.34 × 625,750.47 - Step 4: Simplify right side
1,135,029.87x = 980,146,338,691.07 - Step 5: Solve for x
x = 980,146,338,691.07/1,135,029.87 - Step 6: Final answer
x = 863,542.33
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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.