Finding the Fourth Proportional to 1,052,483.48, 1,452,539.76 and 644,855.84
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Solution
The fourth proportional to 1,052,483.48, 1,452,539.76 and 644,855.84 is: 889,970.02
Step by Step Solution
- Step 1: Write the proportion equation
1,052,483.48 : 1,452,539.76 = 644,855.84 : x - Step 2: Convert to fraction form
1,052,483.48/1,452,539.76 = 644,855.84/x - Step 3: Cross multiply
1,052,483.48x = 1,452,539.76 × 644,855.84 - Step 4: Simplify right side
1,052,483.48x = 936,678,747,068.20 - Step 5: Solve for x
x = 936,678,747,068.20/1,052,483.48 - Step 6: Final answer
x = 889,970.02
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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.