Finding the Fourth Proportional to 1,153,153.98, 1,729,737.09 and 756,307.80
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Solution
The fourth proportional to 1,153,153.98, 1,729,737.09 and 756,307.80 is: 1,134,465.71
Step by Step Solution
- Step 1: Write the proportion equation
1,153,153.98 : 1,729,737.09 = 756,307.80 : x - Step 2: Convert to fraction form
1,153,153.98/1,729,737.09 = 756,307.80/x - Step 3: Cross multiply
1,153,153.98x = 1,729,737.09 × 756,307.80 - Step 4: Simplify right side
1,153,153.98x = 1,308,213,653,116.30 - Step 5: Solve for x
x = 1,308,213,653,116.30/1,153,153.98 - Step 6: Final answer
x = 1,134,465.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.