Finding the Fourth Proportional to 1,159,175.42, 1,599,760.70 and 643,095.62
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Solution
The fourth proportional to 1,159,175.42, 1,599,760.70 and 643,095.62 is: 887,526.66
Step by Step Solution
- Step 1: Write the proportion equation
1,159,175.42 : 1,599,760.70 = 643,095.62 : x - Step 2: Convert to fraction form
1,159,175.42/1,599,760.70 = 643,095.62/x - Step 3: Cross multiply
1,159,175.42x = 1,599,760.70 × 643,095.62 - Step 4: Simplify right side
1,159,175.42x = 1,028,799,088,003.85 - Step 5: Solve for x
x = 1,028,799,088,003.85/1,159,175.42 - Step 6: Final answer
x = 887,526.66
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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.