Finding the Fourth Proportional to 1,368,381.48, 1,888,284.96 and 756,497.58
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Solution
The fourth proportional to 1,368,381.48, 1,888,284.96 and 756,497.58 is: 1,043,921.61
Step by Step Solution
- Step 1: Write the proportion equation
1,368,381.48 : 1,888,284.96 = 756,497.58 : x - Step 2: Convert to fraction form
1,368,381.48/1,888,284.96 = 756,497.58/x - Step 3: Cross multiply
1,368,381.48x = 1,888,284.96 × 756,497.58 - Step 4: Simplify right side
1,368,381.48x = 1,428,483,002,590.40 - Step 5: Solve for x
x = 1,428,483,002,590.40/1,368,381.48 - Step 6: Final answer
x = 1,043,921.61
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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.