Finding the Fourth Proportional to 1,026,486.41, 1,539,697.68 and 427,432.46
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Solution
The fourth proportional to 1,026,486.41, 1,539,697.68 and 427,432.46 is: 641,135.39
Step by Step Solution
- Step 1: Write the proportion equation
1,026,486.41 : 1,539,697.68 = 427,432.46 : x - Step 2: Convert to fraction form
1,026,486.41/1,539,697.68 = 427,432.46/x - Step 3: Cross multiply
1,026,486.41x = 1,539,697.68 × 427,432.46 - Step 4: Simplify right side
1,026,486.41x = 658,116,759,320.20 - Step 5: Solve for x
x = 658,116,759,320.20/1,026,486.41 - Step 6: Final answer
x = 641,135.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.