Finding the Fourth Proportional to 1,153,854.31, 1,723,586.08 and 854,918.74
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Solution
The fourth proportional to 1,153,854.31, 1,723,586.08 and 854,918.74 is: 1,277,046.87
Step by Step Solution
- Step 1: Write the proportion equation
1,153,854.31 : 1,723,586.08 = 854,918.74 : x - Step 2: Convert to fraction form
1,153,854.31/1,723,586.08 = 854,918.74/x - Step 3: Cross multiply
1,153,854.31x = 1,723,586.08 × 854,918.74 - Step 4: Simplify right side
1,153,854.31x = 1,473,526,039,795.14 - Step 5: Solve for x
x = 1,473,526,039,795.14/1,153,854.31 - Step 6: Final answer
x = 1,277,046.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.