Finding the Fourth Proportional to 1,125,562.70, 1,687,913.51 and 556,748.64
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Solution
The fourth proportional to 1,125,562.70, 1,687,913.51 and 556,748.64 is: 834,909.99
Step by Step Solution
- Step 1: Write the proportion equation
1,125,562.70 : 1,687,913.51 = 556,748.64 : x - Step 2: Convert to fraction form
1,125,562.70/1,687,913.51 = 556,748.64/x - Step 3: Cross multiply
1,125,562.70x = 1,687,913.51 × 556,748.64 - Step 4: Simplify right side
1,125,562.70x = 939,743,548,346.38 - Step 5: Solve for x
x = 939,743,548,346.38/1,125,562.70 - Step 6: Final answer
x = 834,909.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.