Finding the Fourth Proportional to 1,424,835.97, 1,966,214.57 and 780,245.06
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Solution
The fourth proportional to 1,424,835.97, 1,966,214.57 and 780,245.06 is: 1,076,705.83
Step by Step Solution
- Step 1: Write the proportion equation
1,424,835.97 : 1,966,214.57 = 780,245.06 : x - Step 2: Convert to fraction form
1,424,835.97/1,966,214.57 = 780,245.06/x - Step 3: Cross multiply
1,424,835.97x = 1,966,214.57 × 780,245.06 - Step 4: Simplify right side
1,424,835.97x = 1,534,129,191,410.23 - Step 5: Solve for x
x = 1,534,129,191,410.23/1,424,835.97 - Step 6: Final answer
x = 1,076,705.83
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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.