Finding the Fourth Proportional to 1,138,164.16, 1,570,531.80 and 679,193.68
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Solution
The fourth proportional to 1,138,164.16, 1,570,531.80 and 679,193.68 is: 937,206.87
Step by Step Solution
- Step 1: Write the proportion equation
1,138,164.16 : 1,570,531.80 = 679,193.68 : x - Step 2: Convert to fraction form
1,138,164.16/1,570,531.80 = 679,193.68/x - Step 3: Cross multiply
1,138,164.16x = 1,570,531.80 × 679,193.68 - Step 4: Simplify right side
1,138,164.16x = 1,066,695,272,799.02 - Step 5: Solve for x
x = 1,066,695,272,799.02/1,138,164.16 - Step 6: Final answer
x = 937,206.87
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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.