Finding the Fourth Proportional to 1,368,873.99, 1,889,058.65 and 756,995.13
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Solution
The fourth proportional to 1,368,873.99, 1,889,058.65 and 756,995.13 is: 1,044,660.21
Step by Step Solution
- Step 1: Write the proportion equation
1,368,873.99 : 1,889,058.65 = 756,995.13 : x - Step 2: Convert to fraction form
1,368,873.99/1,889,058.65 = 756,995.13/x - Step 3: Cross multiply
1,368,873.99x = 1,889,058.65 × 756,995.13 - Step 4: Simplify right side
1,368,873.99x = 1,430,008,194,549.40 - Step 5: Solve for x
x = 1,430,008,194,549.40/1,368,873.99 - Step 6: Final answer
x = 1,044,660.21
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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.