Finding the Fourth Proportional to 1,122,051.60, 1,687,224.60 and 939,574.80
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Solution
The fourth proportional to 1,122,051.60, 1,687,224.60 and 939,574.80 is: 1,412,834.95
Step by Step Solution
- Step 1: Write the proportion equation
1,122,051.60 : 1,687,224.60 = 939,574.80 : x - Step 2: Convert to fraction form
1,122,051.60/1,687,224.60 = 939,574.80/x - Step 3: Cross multiply
1,122,051.60x = 1,687,224.60 × 939,574.80 - Step 4: Simplify right side
1,122,051.60x = 1,585,273,716,100.08 - Step 5: Solve for x
x = 1,585,273,716,100.08/1,122,051.60 - Step 6: Final answer
x = 1,412,834.95
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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.