Finding the Fourth Proportional to 1,029,562.07, 1,420,793.19 and 564,415.11
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Solution
The fourth proportional to 1,029,562.07, 1,420,793.19 and 564,415.11 is: 778,891.50
Step by Step Solution
- Step 1: Write the proportion equation
1,029,562.07 : 1,420,793.19 = 564,415.11 : x - Step 2: Convert to fraction form
1,029,562.07/1,420,793.19 = 564,415.11/x - Step 3: Cross multiply
1,029,562.07x = 1,420,793.19 × 564,415.11 - Step 4: Simplify right side
1,029,562.07x = 801,917,144,621.10 - Step 5: Solve for x
x = 801,917,144,621.10/1,029,562.07 - Step 6: Final answer
x = 778,891.50
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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.