Finding the Fourth Proportional to 1,235,278.80, 1,704,605.58 and 691,322.76
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Solution
The fourth proportional to 1,235,278.80, 1,704,605.58 and 691,322.76 is: 953,981.10
Step by Step Solution
- Step 1: Write the proportion equation
1,235,278.80 : 1,704,605.58 = 691,322.76 : x - Step 2: Convert to fraction form
1,235,278.80/1,704,605.58 = 691,322.76/x - Step 3: Cross multiply
1,235,278.80x = 1,704,605.58 × 691,322.76 - Step 4: Simplify right side
1,235,278.80x = 1,178,432,634,277.00 - Step 5: Solve for x
x = 1,178,432,634,277.00/1,235,278.80 - Step 6: Final answer
x = 953,981.10
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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.