Finding the Fourth Proportional to 1,173,169.84, 1,618,974.36 and 636,625.84
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Solution
The fourth proportional to 1,173,169.84, 1,618,974.36 and 636,625.84 is: 878,543.65
Step by Step Solution
- Step 1: Write the proportion equation
1,173,169.84 : 1,618,974.36 = 636,625.84 : x - Step 2: Convert to fraction form
1,173,169.84/1,618,974.36 = 636,625.84/x - Step 3: Cross multiply
1,173,169.84x = 1,618,974.36 × 636,625.84 - Step 4: Simplify right side
1,173,169.84x = 1,030,680,911,873.46 - Step 5: Solve for x
x = 1,030,680,911,873.46/1,173,169.84 - Step 6: Final answer
x = 878,543.65
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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.