Finding the Fourth Proportional to 1,149,294.26, 1,586,026.06 and 666,139.65
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Solution
The fourth proportional to 1,149,294.26, 1,586,026.06 and 666,139.65 is: 919,272.71
Step by Step Solution
- Step 1: Write the proportion equation
1,149,294.26 : 1,586,026.06 = 666,139.65 : x - Step 2: Convert to fraction form
1,149,294.26/1,586,026.06 = 666,139.65/x - Step 3: Cross multiply
1,149,294.26x = 1,586,026.06 × 666,139.65 - Step 4: Simplify right side
1,149,294.26x = 1,056,514,844,499.28 - Step 5: Solve for x
x = 1,056,514,844,499.28/1,149,294.26 - Step 6: Final answer
x = 919,272.71
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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.