Finding the Fourth Proportional to 1,020,443.70, 1,407,741.13 and 657,983.99
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Solution
The fourth proportional to 1,020,443.70, 1,407,741.13 and 657,983.99 is: 907,714.09
Step by Step Solution
- Step 1: Write the proportion equation
1,020,443.70 : 1,407,741.13 = 657,983.99 : x - Step 2: Convert to fraction form
1,020,443.70/1,407,741.13 = 657,983.99/x - Step 3: Cross multiply
1,020,443.70x = 1,407,741.13 × 657,983.99 - Step 4: Simplify right side
1,020,443.70x = 926,271,125,604.51 - Step 5: Solve for x
x = 926,271,125,604.51/1,020,443.70 - Step 6: Final answer
x = 907,714.09
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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.