Finding the Fourth Proportional to 1,158,424.76, 1,598,545.53 and 642,173.69
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Solution
The fourth proportional to 1,158,424.76, 1,598,545.53 and 642,173.69 is: 886,154.99
Step by Step Solution
- Step 1: Write the proportion equation
1,158,424.76 : 1,598,545.53 = 642,173.69 : x - Step 2: Convert to fraction form
1,158,424.76/1,598,545.53 = 642,173.69/x - Step 3: Cross multiply
1,158,424.76x = 1,598,545.53 × 642,173.69 - Step 4: Simplify right side
1,158,424.76x = 1,026,543,882,418.60 - Step 5: Solve for x
x = 1,026,543,882,418.60/1,158,424.76 - Step 6: Final answer
x = 886,154.99
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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.