Finding the Fourth Proportional to 1,235,210.78, 1,704,202.29 and 691,260.14
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Solution
The fourth proportional to 1,235,210.78, 1,704,202.29 and 691,260.14 is: 953,721.53
Step by Step Solution
- Step 1: Write the proportion equation
1,235,210.78 : 1,704,202.29 = 691,260.14 : x - Step 2: Convert to fraction form
1,235,210.78/1,704,202.29 = 691,260.14/x - Step 3: Cross multiply
1,235,210.78x = 1,704,202.29 × 691,260.14 - Step 4: Simplify right side
1,235,210.78x = 1,178,047,113,573.72 - Step 5: Solve for x
x = 1,178,047,113,573.72/1,235,210.78 - Step 6: Final answer
x = 953,721.53
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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.