Finding the Fourth Proportional to 1,112,296.23, 1,534,980.87 and 653,430.15
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Solution
The fourth proportional to 1,112,296.23, 1,534,980.87 and 653,430.15 is: 901,740.70
Step by Step Solution
- Step 1: Write the proportion equation
1,112,296.23 : 1,534,980.87 = 653,430.15 : x - Step 2: Convert to fraction form
1,112,296.23/1,534,980.87 = 653,430.15/x - Step 3: Cross multiply
1,112,296.23x = 1,534,980.87 × 653,430.15 - Step 4: Simplify right side
1,112,296.23x = 1,003,002,780,131.23 - Step 5: Solve for x
x = 1,003,002,780,131.23/1,112,296.23 - Step 6: Final answer
x = 901,740.70
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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.