Finding the Fourth Proportional to 1,125,838.41, 1,688,932.57 and 378,059.37
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Solution
The fourth proportional to 1,125,838.41, 1,688,932.57 and 378,059.37 is: 567,147.80
Step by Step Solution
- Step 1: Write the proportion equation
1,125,838.41 : 1,688,932.57 = 378,059.37 : x - Step 2: Convert to fraction form
1,125,838.41/1,688,932.57 = 378,059.37/x - Step 3: Cross multiply
1,125,838.41x = 1,688,932.57 × 378,059.37 - Step 4: Simplify right side
1,125,838.41x = 638,516,776,816.90 - Step 5: Solve for x
x = 638,516,776,816.90/1,125,838.41 - Step 6: Final answer
x = 567,147.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.