Finding the Fourth Proportional to 1,419,541.55, 1,958,996.99 and 774,988.91
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Solution
The fourth proportional to 1,419,541.55, 1,958,996.99 and 774,988.91 is: 1,069,500.88
Step by Step Solution
- Step 1: Write the proportion equation
1,419,541.55 : 1,958,996.99 = 774,988.91 : x - Step 2: Convert to fraction form
1,419,541.55/1,958,996.99 = 774,988.91/x - Step 3: Cross multiply
1,419,541.55x = 1,958,996.99 × 774,988.91 - Step 4: Simplify right side
1,419,541.55x = 1,518,200,941,973.38 - Step 5: Solve for x
x = 1,518,200,941,973.38/1,419,541.55 - Step 6: Final answer
x = 1,069,500.88
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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.