Finding the Fourth Proportional to 1,021,717.12, 1,409,969.10 and 592,246.12
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Solution
The fourth proportional to 1,021,717.12, 1,409,969.10 and 592,246.12 is: 817,299.34
Step by Step Solution
- Step 1: Write the proportion equation
1,021,717.12 : 1,409,969.10 = 592,246.12 : x - Step 2: Convert to fraction form
1,021,717.12/1,409,969.10 = 592,246.12/x - Step 3: Cross multiply
1,021,717.12x = 1,409,969.10 × 592,246.12 - Step 4: Simplify right side
1,021,717.12x = 835,048,728,794.89 - Step 5: Solve for x
x = 835,048,728,794.89/1,021,717.12 - Step 6: Final answer
x = 817,299.34
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1.5x scale
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.