Finding the Fourth Proportional to 1,077,472.29, 1,485,366.24 and 847,630.09
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Solution
The fourth proportional to 1,077,472.29, 1,485,366.24 and 847,630.09 is: 1,168,513.70
Step by Step Solution
- Step 1: Write the proportion equation
1,077,472.29 : 1,485,366.24 = 847,630.09 : x - Step 2: Convert to fraction form
1,077,472.29/1,485,366.24 = 847,630.09/x - Step 3: Cross multiply
1,077,472.29x = 1,485,366.24 × 847,630.09 - Step 4: Simplify right side
1,077,472.29x = 1,259,041,127,715.14 - Step 5: Solve for x
x = 1,259,041,127,715.14/1,077,472.29 - Step 6: Final answer
x = 1,168,513.70
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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.