Finding the Fourth Proportional to 1,125,177.31, 1,552,754.37 and 641,766.94
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Solution
The fourth proportional to 1,125,177.31, 1,552,754.37 and 641,766.94 is: 885,643.90
Step by Step Solution
- Step 1: Write the proportion equation
1,125,177.31 : 1,552,754.37 = 641,766.94 : x - Step 2: Convert to fraction form
1,125,177.31/1,552,754.37 = 641,766.94/x - Step 3: Cross multiply
1,125,177.31x = 1,552,754.37 × 641,766.94 - Step 4: Simplify right side
1,125,177.31x = 996,506,420,606.53 - Step 5: Solve for x
x = 996,506,420,606.53/1,125,177.31 - Step 6: Final answer
x = 885,643.90
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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.