Finding the Fourth Proportional to 1,175,545.12, 1,620,750.44 and 761,350.08
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Solution
The fourth proportional to 1,175,545.12, 1,620,750.44 and 761,350.08 is: 1,049,690.44
Step by Step Solution
- Step 1: Write the proportion equation
1,175,545.12 : 1,620,750.44 = 761,350.08 : x - Step 2: Convert to fraction form
1,175,545.12/1,620,750.44 = 761,350.08/x - Step 3: Cross multiply
1,175,545.12x = 1,620,750.44 × 761,350.08 - Step 4: Simplify right side
1,175,545.12x = 1,233,958,477,154.04 - Step 5: Solve for x
x = 1,233,958,477,154.04/1,175,545.12 - Step 6: Final answer
x = 1,049,690.44
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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.