Finding the Fourth Proportional to 1,399,531.93, 1,931,291.94 and 779,369.09
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Solution
The fourth proportional to 1,399,531.93, 1,931,291.94 and 779,369.09 is: 1,075,494.74
Step by Step Solution
- Step 1: Write the proportion equation
1,399,531.93 : 1,931,291.94 = 779,369.09 : x - Step 2: Convert to fraction form
1,399,531.93/1,931,291.94 = 779,369.09/x - Step 3: Cross multiply
1,399,531.93x = 1,931,291.94 × 779,369.09 - Step 4: Simplify right side
1,399,531.93x = 1,505,189,231,208.26 - Step 5: Solve for x
x = 1,505,189,231,208.26/1,399,531.93 - Step 6: Final answer
x = 1,075,494.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.