Finding the Fourth Proportional to 1,147,251.52, 1,583,305.08 and 638,053.12
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Solution
The fourth proportional to 1,147,251.52, 1,583,305.08 and 638,053.12 is: 880,567.80
Step by Step Solution
- Step 1: Write the proportion equation
1,147,251.52 : 1,583,305.08 = 638,053.12 : x - Step 2: Convert to fraction form
1,147,251.52/1,583,305.08 = 638,053.12/x - Step 3: Cross multiply
1,147,251.52x = 1,583,305.08 × 638,053.12 - Step 4: Simplify right side
1,147,251.52x = 1,010,232,746,205.85 - Step 5: Solve for x
x = 1,010,232,746,205.85/1,147,251.52 - Step 6: Final answer
x = 880,567.80
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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.