Finding the Fourth Proportional to 1,127,952.26, 1,556,946.35 and 1,008,378.05
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Solution
The fourth proportional to 1,127,952.26, 1,556,946.35 and 1,008,378.05 is: 1,391,894.48
Step by Step Solution
- Step 1: Write the proportion equation
1,127,952.26 : 1,556,946.35 = 1,008,378.05 : x - Step 2: Convert to fraction form
1,127,952.26/1,556,946.35 = 1,008,378.05/x - Step 3: Cross multiply
1,127,952.26x = 1,556,946.35 × 1,008,378.05 - Step 4: Simplify right side
1,127,952.26x = 1,569,990,524,367.62 - Step 5: Solve for x
x = 1,569,990,524,367.62/1,127,952.26 - Step 6: Final answer
x = 1,391,894.48
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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.