Finding the Fourth Proportional to 1,071,663.26, 1,480,122.69 and 705,775.99
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Solution
The fourth proportional to 1,071,663.26, 1,480,122.69 and 705,775.99 is: 974,779.20
Step by Step Solution
- Step 1: Write the proportion equation
1,071,663.26 : 1,480,122.69 = 705,775.99 : x - Step 2: Convert to fraction form
1,071,663.26/1,480,122.69 = 705,775.99/x - Step 3: Cross multiply
1,071,663.26x = 1,480,122.69 × 705,775.99 - Step 4: Simplify right side
1,071,663.26x = 1,044,635,053,155.91 - Step 5: Solve for x
x = 1,044,635,053,155.91/1,071,663.26 - Step 6: Final answer
x = 974,779.20
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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.