Finding the Fourth Proportional to 1,313,570.23, 1,812,726.09 and 709,958.23
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Solution
The fourth proportional to 1,313,570.23, 1,812,726.09 and 709,958.23 is: 979,741.91
Step by Step Solution
- Step 1: Write the proportion equation
1,313,570.23 : 1,812,726.09 = 709,958.23 : x - Step 2: Convert to fraction form
1,313,570.23/1,812,726.09 = 709,958.23/x - Step 3: Cross multiply
1,313,570.23x = 1,812,726.09 × 709,958.23 - Step 4: Simplify right side
1,313,570.23x = 1,286,959,801,799.41 - Step 5: Solve for x
x = 1,286,959,801,799.41/1,313,570.23 - Step 6: Final answer
x = 979,741.91
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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.