Finding the Fourth Proportional to 1,009,629.09, 1,393,265.88 and 556,920.09
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Solution
The fourth proportional to 1,009,629.09, 1,393,265.88 and 556,920.09 is: 768,537.44
Step by Step Solution
- Step 1: Write the proportion equation
1,009,629.09 : 1,393,265.88 = 556,920.09 : x - Step 2: Convert to fraction form
1,009,629.09/1,393,265.88 = 556,920.09/x - Step 3: Cross multiply
1,009,629.09x = 1,393,265.88 × 556,920.09 - Step 4: Simplify right side
1,009,629.09x = 775,937,759,283.53 - Step 5: Solve for x
x = 775,937,759,283.53/1,009,629.09 - Step 6: Final answer
x = 768,537.44
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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.