Finding the Fourth Proportional to 1,193,059.41, 1,645,877.52 and 709,349.28
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Solution
The fourth proportional to 1,193,059.41, 1,645,877.52 and 709,349.28 is: 978,578.29
Step by Step Solution
- Step 1: Write the proportion equation
1,193,059.41 : 1,645,877.52 = 709,349.28 : x - Step 2: Convert to fraction form
1,193,059.41/1,645,877.52 = 709,349.28/x - Step 3: Cross multiply
1,193,059.41x = 1,645,877.52 × 709,349.28 - Step 4: Simplify right side
1,193,059.41x = 1,167,502,033,780.19 - Step 5: Solve for x
x = 1,167,502,033,780.19/1,193,059.41 - Step 6: Final answer
x = 978,578.29
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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.