Finding the Fourth Proportional to 1,095,615.80, 1,643,423.70 and 623,223.80
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Solution
The fourth proportional to 1,095,615.80, 1,643,423.70 and 623,223.80 is: 934,835.70
Step by Step Solution
- Step 1: Write the proportion equation
1,095,615.80 : 1,643,423.70 = 623,223.80 : x - Step 2: Convert to fraction form
1,095,615.80/1,643,423.70 = 623,223.80/x - Step 3: Cross multiply
1,095,615.80x = 1,643,423.70 × 623,223.80 - Step 4: Simplify right side
1,095,615.80x = 1,024,220,763,324.06 - Step 5: Solve for x
x = 1,024,220,763,324.06/1,095,615.80 - Step 6: Final answer
x = 934,835.70
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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.