Finding the Fourth Proportional to 1,208,945.08, 1,813,418.84 and 450,774.96
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Solution
The fourth proportional to 1,208,945.08, 1,813,418.84 and 450,774.96 is: 676,162.89
Step by Step Solution
- Step 1: Write the proportion equation
1,208,945.08 : 1,813,418.84 = 450,774.96 : x - Step 2: Convert to fraction form
1,208,945.08/1,813,418.84 = 450,774.96/x - Step 3: Cross multiply
1,208,945.08x = 1,813,418.84 × 450,774.96 - Step 4: Simplify right side
1,208,945.08x = 817,443,805,064.25 - Step 5: Solve for x
x = 817,443,805,064.25/1,208,945.08 - Step 6: Final answer
x = 676,162.89
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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.