Finding the Fourth Proportional to 1,054,945.67, 1,455,823.26 and 571,523.09
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Solution
The fourth proportional to 1,054,945.67, 1,455,823.26 and 571,523.09 is: 788,700.91
Step by Step Solution
- Step 1: Write the proportion equation
1,054,945.67 : 1,455,823.26 = 571,523.09 : x - Step 2: Convert to fraction form
1,054,945.67/1,455,823.26 = 571,523.09/x - Step 3: Cross multiply
1,054,945.67x = 1,455,823.26 × 571,523.09 - Step 4: Simplify right side
1,054,945.67x = 832,036,600,769.96 - Step 5: Solve for x
x = 832,036,600,769.96/1,054,945.67 - Step 6: Final answer
x = 788,700.91
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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.