Finding the Fourth Proportional to 1,021,893.40, 1,531,886.99 and 347,513.86
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Solution
The fourth proportional to 1,021,893.40, 1,531,886.99 and 347,513.86 is: 520,946.66
Step by Step Solution
- Step 1: Write the proportion equation
1,021,893.40 : 1,531,886.99 = 347,513.86 : x - Step 2: Convert to fraction form
1,021,893.40/1,531,886.99 = 347,513.86/x - Step 3: Cross multiply
1,021,893.40x = 1,531,886.99 × 347,513.86 - Step 4: Simplify right side
1,021,893.40x = 532,351,954,188.03 - Step 5: Solve for x
x = 532,351,954,188.03/1,021,893.40 - Step 6: Final answer
x = 520,946.66
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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.