Finding the Fourth Proportional to 1,329,304.18, 1,834,430.43 and 725,692.18
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Solution
The fourth proportional to 1,329,304.18, 1,834,430.43 and 725,692.18 is: 1,001,450.11
Step by Step Solution
- Step 1: Write the proportion equation
1,329,304.18 : 1,834,430.43 = 725,692.18 : x - Step 2: Convert to fraction form
1,329,304.18/1,834,430.43 = 725,692.18/x - Step 3: Cross multiply
1,329,304.18x = 1,834,430.43 × 725,692.18 - Step 4: Simplify right side
1,329,304.18x = 1,331,231,815,033.19 - Step 5: Solve for x
x = 1,331,231,815,033.19/1,329,304.18 - Step 6: Final answer
x = 1,001,450.11
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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.