Finding the Fourth Proportional to 1,048,368.47, 1,446,157.35 and 629,157.09
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Solution
The fourth proportional to 1,048,368.47, 1,446,157.35 and 629,157.09 is: 867,882.02
Step by Step Solution
- Step 1: Write the proportion equation
1,048,368.47 : 1,446,157.35 = 629,157.09 : x - Step 2: Convert to fraction form
1,048,368.47/1,446,157.35 = 629,157.09/x - Step 3: Cross multiply
1,048,368.47x = 1,446,157.35 × 629,157.09 - Step 4: Simplify right side
1,048,368.47x = 909,860,139,631.54 - Step 5: Solve for x
x = 909,860,139,631.54/1,048,368.47 - Step 6: Final answer
x = 867,882.02
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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.