Finding the Fourth Proportional to 1,304,484.89, 1,800,207.59 and 788,166.99
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Solution
The fourth proportional to 1,304,484.89, 1,800,207.59 and 788,166.99 is: 1,087,681.59
Step by Step Solution
- Step 1: Write the proportion equation
1,304,484.89 : 1,800,207.59 = 788,166.99 : x - Step 2: Convert to fraction form
1,304,484.89/1,800,207.59 = 788,166.99/x - Step 3: Cross multiply
1,304,484.89x = 1,800,207.59 × 788,166.99 - Step 4: Simplify right side
1,304,484.89x = 1,418,864,193,644.62 - Step 5: Solve for x
x = 1,418,864,193,644.62/1,304,484.89 - Step 6: Final answer
x = 1,087,681.59
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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.