Finding the Fourth Proportional to 1,160,998.02, 1,739,434.68 and 990,791.10
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Solution
The fourth proportional to 1,160,998.02, 1,739,434.68 and 990,791.10 is: 1,484,426.65
Step by Step Solution
- Step 1: Write the proportion equation
1,160,998.02 : 1,739,434.68 = 990,791.10 : x - Step 2: Convert to fraction form
1,160,998.02/1,739,434.68 = 990,791.10/x - Step 3: Cross multiply
1,160,998.02x = 1,739,434.68 × 990,791.10 - Step 4: Simplify right side
1,160,998.02x = 1,723,416,399,975.35 - Step 5: Solve for x
x = 1,723,416,399,975.35/1,160,998.02 - Step 6: Final answer
x = 1,484,426.65
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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.