Finding the Fourth Proportional to 1,273,205.18, 1,909,932.62 and 463,809.65
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Solution
The fourth proportional to 1,273,205.18, 1,909,932.62 and 463,809.65 is: 695,759.95
Step by Step Solution
- Step 1: Write the proportion equation
1,273,205.18 : 1,909,932.62 = 463,809.65 : x - Step 2: Convert to fraction form
1,273,205.18/1,909,932.62 = 463,809.65/x - Step 3: Cross multiply
1,273,205.18x = 1,909,932.62 × 463,809.65 - Step 4: Simplify right side
1,273,205.18x = 885,845,168,137.07 - Step 5: Solve for x
x = 885,845,168,137.07/1,273,205.18 - Step 6: Final answer
x = 695,759.95
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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.