Finding the Fourth Proportional to 1,167,193.26, 1,610,726.70 and 630,649.26
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Solution
The fourth proportional to 1,167,193.26, 1,610,726.70 and 630,649.26 is: 870,295.98
Step by Step Solution
- Step 1: Write the proportion equation
1,167,193.26 : 1,610,726.70 = 630,649.26 : x - Step 2: Convert to fraction form
1,167,193.26/1,610,726.70 = 630,649.26/x - Step 3: Cross multiply
1,167,193.26x = 1,610,726.70 × 630,649.26 - Step 4: Simplify right side
1,167,193.26x = 1,015,803,601,417.24 - Step 5: Solve for x
x = 1,015,803,601,417.24/1,167,193.26 - Step 6: Final answer
x = 870,295.98
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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.