Finding the Fourth Proportional to 1,131,000.26, 1,559,623.29 and 748,887.62
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Solution
The fourth proportional to 1,131,000.26, 1,559,623.29 and 748,887.62 is: 1,032,698.77
Step by Step Solution
- Step 1: Write the proportion equation
1,131,000.26 : 1,559,623.29 = 748,887.62 : x - Step 2: Convert to fraction form
1,131,000.26/1,559,623.29 = 748,887.62/x - Step 3: Cross multiply
1,131,000.26x = 1,559,623.29 × 748,887.62 - Step 4: Simplify right side
1,131,000.26x = 1,167,982,573,744.67 - Step 5: Solve for x
x = 1,167,982,573,744.67/1,131,000.26 - Step 6: Final answer
x = 1,032,698.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.