Finding the Fourth Proportional to 1,307,241.44, 1,803,713.35 and 763,130.28
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Solution
The fourth proportional to 1,307,241.44, 1,803,713.35 and 763,130.28 is: 1,052,956.42
Step by Step Solution
- Step 1: Write the proportion equation
1,307,241.44 : 1,803,713.35 = 763,130.28 : x - Step 2: Convert to fraction form
1,307,241.44/1,803,713.35 = 763,130.28/x - Step 3: Cross multiply
1,307,241.44x = 1,803,713.35 × 763,130.28 - Step 4: Simplify right side
1,307,241.44x = 1,376,468,265,153.49 - Step 5: Solve for x
x = 1,376,468,265,153.49/1,307,241.44 - Step 6: Final answer
x = 1,052,956.42
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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.