Finding the Fourth Proportional to 1,135,449.75, 1,566,998.07 and 658,521.75
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Solution
The fourth proportional to 1,135,449.75, 1,566,998.07 and 658,521.75 is: 908,804.91
Step by Step Solution
- Step 1: Write the proportion equation
1,135,449.75 : 1,566,998.07 = 658,521.75 : x - Step 2: Convert to fraction form
1,135,449.75/1,566,998.07 = 658,521.75/x - Step 3: Cross multiply
1,135,449.75x = 1,566,998.07 × 658,521.75 - Step 4: Simplify right side
1,135,449.75x = 1,031,902,311,303.02 - Step 5: Solve for x
x = 1,031,902,311,303.02/1,135,449.75 - Step 6: Final answer
x = 908,804.91
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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.