Finding the Fourth Proportional to 1,163,020.36, 1,604,732.76 and 679,492.07
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Solution
The fourth proportional to 1,163,020.36, 1,604,732.76 and 679,492.07 is: 937,561.57
Step by Step Solution
- Step 1: Write the proportion equation
1,163,020.36 : 1,604,732.76 = 679,492.07 : x - Step 2: Convert to fraction form
1,163,020.36/1,604,732.76 = 679,492.07/x - Step 3: Cross multiply
1,163,020.36x = 1,604,732.76 × 679,492.07 - Step 4: Simplify right side
1,163,020.36x = 1,090,403,188,901.05 - Step 5: Solve for x
x = 1,090,403,188,901.05/1,163,020.36 - Step 6: Final answer
x = 937,561.57
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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.