Finding the Fourth Proportional to 1,119,176.28, 1,544,458.41 and 609,878.70
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Solution
The fourth proportional to 1,119,176.28, 1,544,458.41 and 609,878.70 is: 841,629.96
Step by Step Solution
- Step 1: Write the proportion equation
1,119,176.28 : 1,544,458.41 = 609,878.70 : x - Step 2: Convert to fraction form
1,119,176.28/1,544,458.41 = 609,878.70/x - Step 3: Cross multiply
1,119,176.28x = 1,544,458.41 × 609,878.70 - Step 4: Simplify right side
1,119,176.28x = 941,932,287,294.87 - Step 5: Solve for x
x = 941,932,287,294.87/1,119,176.28 - Step 6: Final answer
x = 841,629.96
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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.