Finding the Fourth Proportional to 1,282,182.12, 1,767,358.39 and 868,593.08
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Solution
The fourth proportional to 1,282,182.12, 1,767,358.39 and 868,593.08 is: 1,197,267.72
Step by Step Solution
- Step 1: Write the proportion equation
1,282,182.12 : 1,767,358.39 = 868,593.08 : x - Step 2: Convert to fraction form
1,282,182.12/1,767,358.39 = 868,593.08/x - Step 3: Cross multiply
1,282,182.12x = 1,767,358.39 × 868,593.08 - Step 4: Simplify right side
1,282,182.12x = 1,535,115,263,090.98 - Step 5: Solve for x
x = 1,535,115,263,090.98/1,282,182.12 - Step 6: Final answer
x = 1,197,267.72
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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.