Finding the Fourth Proportional to 1,117,994.39, 1,542,878.62 and 634,604.52
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Solution
The fourth proportional to 1,117,994.39, 1,542,878.62 and 634,604.52 is: 875,780.55
Step by Step Solution
- Step 1: Write the proportion equation
1,117,994.39 : 1,542,878.62 = 634,604.52 : x - Step 2: Convert to fraction form
1,117,994.39/1,542,878.62 = 634,604.52/x - Step 3: Cross multiply
1,117,994.39x = 1,542,878.62 × 634,604.52 - Step 4: Simplify right side
1,117,994.39x = 979,117,746,063.36 - Step 5: Solve for x
x = 979,117,746,063.36/1,117,994.39 - Step 6: Final answer
x = 875,780.55
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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.