Finding the Fourth Proportional to 1,137,765.29, 1,570,051.02 and 679,397.09
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Solution
The fourth proportional to 1,137,765.29, 1,570,051.02 and 679,397.09 is: 937,529.12
Step by Step Solution
- Step 1: Write the proportion equation
1,137,765.29 : 1,570,051.02 = 679,397.09 : x - Step 2: Convert to fraction form
1,137,765.29/1,570,051.02 = 679,397.09/x - Step 3: Cross multiply
1,137,765.29x = 1,570,051.02 × 679,397.09 - Step 4: Simplify right side
1,137,765.29x = 1,066,688,086,289.28 - Step 5: Solve for x
x = 1,066,688,086,289.28/1,137,765.29 - Step 6: Final answer
x = 937,529.12
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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.