Finding the Fourth Proportional to 1,143,994.54, 1,578,691.46 and 634,685.98
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Solution
The fourth proportional to 1,143,994.54, 1,578,691.46 and 634,685.98 is: 875,855.00
Step by Step Solution
- Step 1: Write the proportion equation
1,143,994.54 : 1,578,691.46 = 634,685.98 : x - Step 2: Convert to fraction form
1,143,994.54/1,578,691.46 = 634,685.98/x - Step 3: Cross multiply
1,143,994.54x = 1,578,691.46 × 634,685.98 - Step 4: Simplify right side
1,143,994.54x = 1,001,973,336,407.73 - Step 5: Solve for x
x = 1,001,973,336,407.73/1,143,994.54 - Step 6: Final answer
x = 875,855.00
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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.