Finding the Fourth Proportional to 1,013,157.76, 1,398,201.58 and 560,448.76
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Solution
The fourth proportional to 1,013,157.76, 1,398,201.58 and 560,448.76 is: 773,443.56
Step by Step Solution
- Step 1: Write the proportion equation
1,013,157.76 : 1,398,201.58 = 560,448.76 : x - Step 2: Convert to fraction form
1,013,157.76/1,398,201.58 = 560,448.76/x - Step 3: Cross multiply
1,013,157.76x = 1,398,201.58 × 560,448.76 - Step 4: Simplify right side
1,013,157.76x = 783,620,341,741.04 - Step 5: Solve for x
x = 783,620,341,741.04/1,013,157.76 - Step 6: Final answer
x = 773,443.56
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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.