Finding the Fourth Proportional to 1,071,624.18, 1,607,716.37 and 621,912.74
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Solution
The fourth proportional to 1,071,624.18, 1,607,716.37 and 621,912.74 is: 933,031.66
Step by Step Solution
- Step 1: Write the proportion equation
1,071,624.18 : 1,607,716.37 = 621,912.74 : x - Step 2: Convert to fraction form
1,071,624.18/1,607,716.37 = 621,912.74/x - Step 3: Cross multiply
1,071,624.18x = 1,607,716.37 × 621,912.74 - Step 4: Simplify right side
1,071,624.18x = 999,859,292,809.55 - Step 5: Solve for x
x = 999,859,292,809.55/1,071,624.18 - Step 6: Final answer
x = 933,031.66
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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.