Finding the Fourth Proportional to 1,259,599.74, 1,738,184.82 and 715,663.68
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Solution
The fourth proportional to 1,259,599.74, 1,738,184.82 and 715,663.68 is: 987,580.19
Step by Step Solution
- Step 1: Write the proportion equation
1,259,599.74 : 1,738,184.82 = 715,663.68 : x - Step 2: Convert to fraction form
1,259,599.74/1,738,184.82 = 715,663.68/x - Step 3: Cross multiply
1,259,599.74x = 1,738,184.82 × 715,663.68 - Step 4: Simplify right side
1,259,599.74x = 1,243,955,744,801.34 - Step 5: Solve for x
x = 1,243,955,744,801.34/1,259,599.74 - Step 6: Final answer
x = 987,580.19
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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.