Finding the Fourth Proportional to 1,119,212.42, 1,544,320.70 and 629,113.94
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Solution
The fourth proportional to 1,119,212.42, 1,544,320.70 and 629,113.94 is: 868,069.06
Step by Step Solution
- Step 1: Write the proportion equation
1,119,212.42 : 1,544,320.70 = 629,113.94 : x - Step 2: Convert to fraction form
1,119,212.42/1,544,320.70 = 629,113.94/x - Step 3: Cross multiply
1,119,212.42x = 1,544,320.70 × 629,113.94 - Step 4: Simplify right side
1,119,212.42x = 971,553,678,971.90 - Step 5: Solve for x
x = 971,553,678,971.90/1,119,212.42 - Step 6: Final answer
x = 868,069.06
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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.