Finding the Fourth Proportional to 1,042,092.19, 1,438,087.19 and 565,164.19
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Solution
The fourth proportional to 1,042,092.19, 1,438,087.19 and 565,164.19 is: 779,926.56
Step by Step Solution
- Step 1: Write the proportion equation
1,042,092.19 : 1,438,087.19 = 565,164.19 : x - Step 2: Convert to fraction form
1,042,092.19/1,438,087.19 = 565,164.19/x - Step 3: Cross multiply
1,042,092.19x = 1,438,087.19 × 565,164.19 - Step 4: Simplify right side
1,042,092.19x = 812,755,381,885.73 - Step 5: Solve for x
x = 812,755,381,885.73/1,042,092.19 - Step 6: Final answer
x = 779,926.56
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1.5x scale
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.