Finding the Fourth Proportional to 1,161,268.78, 1,602,509.79 and 651,992.62
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Solution
The fourth proportional to 1,161,268.78, 1,602,509.79 and 651,992.62 is: 899,726.73
Step by Step Solution
- Step 1: Write the proportion equation
1,161,268.78 : 1,602,509.79 = 651,992.62 : x - Step 2: Convert to fraction form
1,161,268.78/1,602,509.79 = 651,992.62/x - Step 3: Cross multiply
1,161,268.78x = 1,602,509.79 × 651,992.62 - Step 4: Simplify right side
1,161,268.78x = 1,044,824,556,557.75 - Step 5: Solve for x
x = 1,044,824,556,557.75/1,161,268.78 - Step 6: Final answer
x = 899,726.73
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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.