Finding the Fourth Proportional to 1,312,603.80, 1,968,905.70 and 566,107.80
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Solution
The fourth proportional to 1,312,603.80, 1,968,905.70 and 566,107.80 is: 849,161.70
Step by Step Solution
- Step 1: Write the proportion equation
1,312,603.80 : 1,968,905.70 = 566,107.80 : x - Step 2: Convert to fraction form
1,312,603.80/1,968,905.70 = 566,107.80/x - Step 3: Cross multiply
1,312,603.80x = 1,968,905.70 × 566,107.80 - Step 4: Simplify right side
1,312,603.80x = 1,114,612,874,234.46 - Step 5: Solve for x
x = 1,114,612,874,234.46/1,312,603.80 - Step 6: Final answer
x = 849,161.70
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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.