Finding the Fourth Proportional to 1,406,876.70, 1,941,491.58 and 762,296.70
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Solution
The fourth proportional to 1,406,876.70, 1,941,491.58 and 762,296.70 is: 1,051,970.39
Step by Step Solution
- Step 1: Write the proportion equation
1,406,876.70 : 1,941,491.58 = 762,296.70 : x - Step 2: Convert to fraction form
1,406,876.70/1,941,491.58 = 762,296.70/x - Step 3: Cross multiply
1,406,876.70x = 1,941,491.58 × 762,296.70 - Step 4: Simplify right side
1,406,876.70x = 1,479,992,624,511.79 - Step 5: Solve for x
x = 1,479,992,624,511.79/1,406,876.70 - Step 6: Final answer
x = 1,051,970.39
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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.