Finding the Fourth Proportional to 1,135,091.34, 1,566,425.55 and 651,687.66
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Solution
The fourth proportional to 1,135,091.34, 1,566,425.55 and 651,687.66 is: 899,328.68
Step by Step Solution
- Step 1: Write the proportion equation
1,135,091.34 : 1,566,425.55 = 651,687.66 : x - Step 2: Convert to fraction form
1,135,091.34/1,566,425.55 = 651,687.66/x - Step 3: Cross multiply
1,135,091.34x = 1,566,425.55 × 651,687.66 - Step 4: Simplify right side
1,135,091.34x = 1,020,820,201,243.71 - Step 5: Solve for x
x = 1,020,820,201,243.71/1,135,091.34 - Step 6: Final answer
x = 899,328.68
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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.