Finding the Fourth Proportional to 1,201,278.60, 1,657,693.02 and 657,305.88
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Solution
The fourth proportional to 1,201,278.60, 1,657,693.02 and 657,305.88 is: 907,043.02
Step by Step Solution
- Step 1: Write the proportion equation
1,201,278.60 : 1,657,693.02 = 657,305.88 : x - Step 2: Convert to fraction form
1,201,278.60/1,657,693.02 = 657,305.88/x - Step 3: Cross multiply
1,201,278.60x = 1,657,693.02 × 657,305.88 - Step 4: Simplify right side
1,201,278.60x = 1,089,611,369,280.96 - Step 5: Solve for x
x = 1,089,611,369,280.96/1,201,278.60 - Step 6: Final answer
x = 907,043.02
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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.