Finding the Fourth Proportional to 1,410,358.13, 1,946,328.06 and 765,805.49
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Solution
The fourth proportional to 1,410,358.13, 1,946,328.06 and 765,805.49 is: 1,056,829.95
Step by Step Solution
- Step 1: Write the proportion equation
1,410,358.13 : 1,946,328.06 = 765,805.49 : x - Step 2: Convert to fraction form
1,410,358.13/1,946,328.06 = 765,805.49/x - Step 3: Cross multiply
1,410,358.13x = 1,946,328.06 × 765,805.49 - Step 4: Simplify right side
1,410,358.13x = 1,490,508,713,689.05 - Step 5: Solve for x
x = 1,490,508,713,689.05/1,410,358.13 - Step 6: Final answer
x = 1,056,829.95
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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.