Finding the Fourth Proportional to 1,119,727.66, 1,545,178.20 and 629,683.18
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Solution
The fourth proportional to 1,119,727.66, 1,545,178.20 and 629,683.18 is: 868,936.94
Step by Step Solution
- Step 1: Write the proportion equation
1,119,727.66 : 1,545,178.20 = 629,683.18 : x - Step 2: Convert to fraction form
1,119,727.66/1,545,178.20 = 629,683.18/x - Step 3: Cross multiply
1,119,727.66x = 1,545,178.20 × 629,683.18 - Step 4: Simplify right side
1,119,727.66x = 972,972,722,642.68 - Step 5: Solve for x
x = 972,972,722,642.68/1,119,727.66 - Step 6: Final answer
x = 868,936.94
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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.