Finding the Fourth Proportional to 1,172,780.84, 1,618,425.16 and 656,538.97
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Solution
The fourth proportional to 1,172,780.84, 1,618,425.16 and 656,538.97 is: 906,016.84
Step by Step Solution
- Step 1: Write the proportion equation
1,172,780.84 : 1,618,425.16 = 656,538.97 : x - Step 2: Convert to fraction form
1,172,780.84/1,618,425.16 = 656,538.97/x - Step 3: Cross multiply
1,172,780.84x = 1,618,425.16 × 656,538.97 - Step 4: Simplify right side
1,172,780.84x = 1,062,559,181,881.08 - Step 5: Solve for x
x = 1,062,559,181,881.08/1,172,780.84 - Step 6: Final answer
x = 906,016.84
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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.