Finding the Fourth Proportional to 1,132,901.14, 1,563,220.65 and 649,377.31
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Solution
The fourth proportional to 1,132,901.14, 1,563,220.65 and 649,377.31 is: 896,035.84
Step by Step Solution
- Step 1: Write the proportion equation
1,132,901.14 : 1,563,220.65 = 649,377.31 : x - Step 2: Convert to fraction form
1,132,901.14/1,563,220.65 = 649,377.31/x - Step 3: Cross multiply
1,132,901.14x = 1,563,220.65 × 649,377.31 - Step 4: Simplify right side
1,132,901.14x = 1,015,120,020,633.45 - Step 5: Solve for x
x = 1,015,120,020,633.45/1,132,901.14 - Step 6: Final answer
x = 896,035.84
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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.