Finding the Fourth Proportional to 1,197,138.17, 1,652,085.78 and 653,309.07
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Solution
The fourth proportional to 1,197,138.17, 1,652,085.78 and 653,309.07 is: 901,585.68
Step by Step Solution
- Step 1: Write the proportion equation
1,197,138.17 : 1,652,085.78 = 653,309.07 : x - Step 2: Convert to fraction form
1,197,138.17/1,652,085.78 = 653,309.07/x - Step 3: Cross multiply
1,197,138.17x = 1,652,085.78 × 653,309.07 - Step 4: Simplify right side
1,197,138.17x = 1,079,322,624,492.02 - Step 5: Solve for x
x = 1,079,322,624,492.02/1,197,138.17 - Step 6: Final answer
x = 901,585.68
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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.