Finding the Fourth Proportional to 1,201,331.18, 1,657,837.67 and 657,466.65
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Solution
The fourth proportional to 1,201,331.18, 1,657,837.67 and 657,466.65 is: 907,304.33
Step by Step Solution
- Step 1: Write the proportion equation
1,201,331.18 : 1,657,837.67 = 657,466.65 : x - Step 2: Convert to fraction form
1,201,331.18/1,657,837.67 = 657,466.65/x - Step 3: Cross multiply
1,201,331.18x = 1,657,837.67 × 657,466.65 - Step 4: Simplify right side
1,201,331.18x = 1,089,972,979,138.71 - Step 5: Solve for x
x = 1,089,972,979,138.71/1,201,331.18 - Step 6: Final answer
x = 907,304.33
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1.5x scale
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.