Finding the Fourth Proportional to 1,095,415.85, 1,643,124.49 and 716,654.79
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Solution
The fourth proportional to 1,095,415.85, 1,643,124.49 and 716,654.79 is: 1,074,982.65
Step by Step Solution
- Step 1: Write the proportion equation
1,095,415.85 : 1,643,124.49 = 716,654.79 : x - Step 2: Convert to fraction form
1,095,415.85/1,643,124.49 = 716,654.79/x - Step 3: Cross multiply
1,095,415.85x = 1,643,124.49 × 716,654.79 - Step 4: Simplify right side
1,095,415.85x = 1,177,553,034,533.17 - Step 5: Solve for x
x = 1,177,553,034,533.17/1,095,415.85 - Step 6: Final answer
x = 1,074,982.65
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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.