Finding the Fourth Proportional to 1,007,376.36, 1,390,277.46 and 752,284.68
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Solution
The fourth proportional to 1,007,376.36, 1,390,277.46 and 752,284.68 is: 1,038,226.10
Step by Step Solution
- Step 1: Write the proportion equation
1,007,376.36 : 1,390,277.46 = 752,284.68 : x - Step 2: Convert to fraction form
1,007,376.36/1,390,277.46 = 752,284.68/x - Step 3: Cross multiply
1,007,376.36x = 1,390,277.46 × 752,284.68 - Step 4: Simplify right side
1,007,376.36x = 1,045,884,434,107.31 - Step 5: Solve for x
x = 1,045,884,434,107.31/1,007,376.36 - Step 6: Final answer
x = 1,038,226.10
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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.