Finding the Fourth Proportional to 1,163,145.11, 1,604,902.98 and 679,616.74
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Solution
The fourth proportional to 1,163,145.11, 1,604,902.98 and 679,616.74 is: 937,732.46
Step by Step Solution
- Step 1: Write the proportion equation
1,163,145.11 : 1,604,902.98 = 679,616.74 : x - Step 2: Convert to fraction form
1,163,145.11/1,604,902.98 = 679,616.74/x - Step 3: Cross multiply
1,163,145.11x = 1,604,902.98 × 679,616.74 - Step 4: Simplify right side
1,163,145.11x = 1,090,718,923,259.37 - Step 5: Solve for x
x = 1,090,718,923,259.37/1,163,145.11 - Step 6: Final answer
x = 937,732.46
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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.