Finding the Fourth Proportional to 1,009,539.70, 1,510,754.97 and 630,638.84
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Solution
The fourth proportional to 1,009,539.70, 1,510,754.97 and 630,638.84 is: 943,737.79
Step by Step Solution
- Step 1: Write the proportion equation
1,009,539.70 : 1,510,754.97 = 630,638.84 : x - Step 2: Convert to fraction form
1,009,539.70/1,510,754.97 = 630,638.84/x - Step 3: Cross multiply
1,009,539.70x = 1,510,754.97 × 630,638.84 - Step 4: Simplify right side
1,009,539.70x = 952,740,761,805.04 - Step 5: Solve for x
x = 952,740,761,805.04/1,009,539.70 - Step 6: Final answer
x = 943,737.79
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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.