Finding the Fourth Proportional to 1,051,117.01, 1,449,029.81 and 748,786.13
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Solution
The fourth proportional to 1,051,117.01, 1,449,029.81 and 748,786.13 is: 1,032,247.99
Step by Step Solution
- Step 1: Write the proportion equation
1,051,117.01 : 1,449,029.81 = 748,786.13 : x - Step 2: Convert to fraction form
1,051,117.01/1,449,029.81 = 748,786.13/x - Step 3: Cross multiply
1,051,117.01x = 1,449,029.81 × 748,786.13 - Step 4: Simplify right side
1,051,117.01x = 1,085,013,412,695.46 - Step 5: Solve for x
x = 1,085,013,412,695.46/1,051,117.01 - Step 6: Final answer
x = 1,032,247.99
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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.