Finding the Fourth Proportional to 1,038,168.19, 1,432,675.62 and 579,274.44
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Solution
The fourth proportional to 1,038,168.19, 1,432,675.62 and 579,274.44 is: 799,400.68
Step by Step Solution
- Step 1: Write the proportion equation
1,038,168.19 : 1,432,675.62 = 579,274.44 : x - Step 2: Convert to fraction form
1,038,168.19/1,432,675.62 = 579,274.44/x - Step 3: Cross multiply
1,038,168.19x = 1,432,675.62 × 579,274.44 - Step 4: Simplify right side
1,038,168.19x = 829,912,362,104.62 - Step 5: Solve for x
x = 829,912,362,104.62/1,038,168.19 - Step 6: Final answer
x = 799,400.68
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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.