Finding the Fourth Proportional to 1,062,432.16, 1,466,113.62 and 578,986.92
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Solution
The fourth proportional to 1,062,432.16, 1,466,113.62 and 578,986.92 is: 798,978.65
Step by Step Solution
- Step 1: Write the proportion equation
1,062,432.16 : 1,466,113.62 = 578,986.92 : x - Step 2: Convert to fraction form
1,062,432.16/1,466,113.62 = 578,986.92/x - Step 3: Cross multiply
1,062,432.16x = 1,466,113.62 × 578,986.92 - Step 4: Simplify right side
1,062,432.16x = 848,860,609,213.85 - Step 5: Solve for x
x = 848,860,609,213.85/1,062,432.16 - Step 6: Final answer
x = 798,978.65
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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.