Finding the Fourth Proportional to 1,110,991.97, 1,533,829.67 and 703,443.15
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Solution
The fourth proportional to 1,110,991.97, 1,533,829.67 and 703,443.15 is: 971,169.91
Step by Step Solution
- Step 1: Write the proportion equation
1,110,991.97 : 1,533,829.67 = 703,443.15 : x - Step 2: Convert to fraction form
1,110,991.97/1,533,829.67 = 703,443.15/x - Step 3: Cross multiply
1,110,991.97x = 1,533,829.67 × 703,443.15 - Step 4: Simplify right side
1,110,991.97x = 1,078,961,974,628.26 - Step 5: Solve for x
x = 1,078,961,974,628.26/1,110,991.97 - Step 6: Final answer
x = 971,169.91
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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.