Finding the Fourth Proportional to 1,370,456.79, 1,891,234.68 and 741,800.31
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Solution
The fourth proportional to 1,370,456.79, 1,891,234.68 and 741,800.31 is: 1,023,686.76
Step by Step Solution
- Step 1: Write the proportion equation
1,370,456.79 : 1,891,234.68 = 741,800.31 : x - Step 2: Convert to fraction form
1,370,456.79/1,891,234.68 = 741,800.31/x - Step 3: Cross multiply
1,370,456.79x = 1,891,234.68 × 741,800.31 - Step 4: Simplify right side
1,370,456.79x = 1,402,918,471,906.75 - Step 5: Solve for x
x = 1,402,918,471,906.75/1,370,456.79 - Step 6: Final answer
x = 1,023,686.76
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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.