Finding the Fourth Proportional to 1,203,357.62, 1,804,569.87 and 642,085.94
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Solution
The fourth proportional to 1,203,357.62, 1,804,569.87 and 642,085.94 is: 962,879.96
Step by Step Solution
- Step 1: Write the proportion equation
1,203,357.62 : 1,804,569.87 = 642,085.94 : x - Step 2: Convert to fraction form
1,203,357.62/1,804,569.87 = 642,085.94/x - Step 3: Cross multiply
1,203,357.62x = 1,804,569.87 × 642,085.94 - Step 4: Simplify right side
1,203,357.62x = 1,158,688,941,274.63 - Step 5: Solve for x
x = 1,158,688,941,274.63/1,203,357.62 - Step 6: Final answer
x = 962,879.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.