Finding the Fourth Proportional to 1,415,113.74, 1,952,839.95 and 770,533.74
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Solution
The fourth proportional to 1,415,113.74, 1,952,839.95 and 770,533.74 is: 1,063,327.30
Step by Step Solution
- Step 1: Write the proportion equation
1,415,113.74 : 1,952,839.95 = 770,533.74 : x - Step 2: Convert to fraction form
1,415,113.74/1,952,839.95 = 770,533.74/x - Step 3: Cross multiply
1,415,113.74x = 1,952,839.95 × 770,533.74 - Step 4: Simplify right side
1,415,113.74x = 1,504,729,070,294.91 - Step 5: Solve for x
x = 1,504,729,070,294.91/1,415,113.74 - Step 6: Final answer
x = 1,063,327.30
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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.