Finding the Fourth Proportional to 1,211,952.54, 1,817,503.74 and 664,735.08
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Solution
The fourth proportional to 1,211,952.54, 1,817,503.74 and 664,735.08 is: 996,869.48
Step by Step Solution
- Step 1: Write the proportion equation
1,211,952.54 : 1,817,503.74 = 664,735.08 : x - Step 2: Convert to fraction form
1,211,952.54/1,817,503.74 = 664,735.08/x - Step 3: Cross multiply
1,211,952.54x = 1,817,503.74 × 664,735.08 - Step 4: Simplify right side
1,211,952.54x = 1,208,158,494,009.20 - Step 5: Solve for x
x = 1,208,158,494,009.20/1,211,952.54 - Step 6: Final answer
x = 996,869.48
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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.