Finding the Fourth Proportional to 1,397,133.55, 1,928,067.05 and 768,502.08
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Solution
The fourth proportional to 1,397,133.55, 1,928,067.05 and 768,502.08 is: 1,060,545.38
Step by Step Solution
- Step 1: Write the proportion equation
1,397,133.55 : 1,928,067.05 = 768,502.08 : x - Step 2: Convert to fraction form
1,397,133.55/1,928,067.05 = 768,502.08/x - Step 3: Cross multiply
1,397,133.55x = 1,928,067.05 × 768,502.08 - Step 4: Simplify right side
1,397,133.55x = 1,481,723,535,902.90 - Step 5: Solve for x
x = 1,481,723,535,902.90/1,397,133.55 - Step 6: Final answer
x = 1,060,545.38
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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.