Finding the Fourth Proportional to 993,092.05, 1,487,644.26 and 840,636.28
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Solution
The fourth proportional to 993,092.05, 1,487,644.26 and 840,636.28 is: 1,259,266.69
Step by Step Solution
- Step 1: Write the proportion equation
993,092.05 : 1,487,644.26 = 840,636.28 : x - Step 2: Convert to fraction form
993,092.05/1,487,644.26 = 840,636.28/x - Step 3: Cross multiply
993,092.05x = 1,487,644.26 × 840,636.28 - Step 4: Simplify right side
993,092.05x = 1,250,567,736,689.75 - Step 5: Solve for x
x = 1,250,567,736,689.75/993,092.05 - Step 6: Final answer
x = 1,259,266.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.