Finding the Fourth Proportional to 1,283,699.08, 1,771,381.74 and 767,350.54
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Solution
The fourth proportional to 1,283,699.08, 1,771,381.74 and 767,350.54 is: 1,058,870.23
Step by Step Solution
- Step 1: Write the proportion equation
1,283,699.08 : 1,771,381.74 = 767,350.54 : x - Step 2: Convert to fraction form
1,283,699.08/1,771,381.74 = 767,350.54/x - Step 3: Cross multiply
1,283,699.08x = 1,771,381.74 × 767,350.54 - Step 4: Simplify right side
1,283,699.08x = 1,359,270,734,735.14 - Step 5: Solve for x
x = 1,359,270,734,735.14/1,283,699.08 - Step 6: Final answer
x = 1,058,870.23
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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.