Finding the Fourth Proportional to 1,036,660.70, 1,554,991.05 and 859,513.70
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Solution
The fourth proportional to 1,036,660.70, 1,554,991.05 and 859,513.70 is: 1,289,270.55
Step by Step Solution
- Step 1: Write the proportion equation
1,036,660.70 : 1,554,991.05 = 859,513.70 : x - Step 2: Convert to fraction form
1,036,660.70/1,554,991.05 = 859,513.70/x - Step 3: Cross multiply
1,036,660.70x = 1,554,991.05 × 859,513.70 - Step 4: Simplify right side
1,036,660.70x = 1,336,536,110,852.39 - Step 5: Solve for x
x = 1,336,536,110,852.39/1,036,660.70 - Step 6: Final answer
x = 1,289,270.55
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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.