Finding the Fourth Proportional to 1,313,261.31, 1,812,328.29 and 740,301.48
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Solution
The fourth proportional to 1,313,261.31, 1,812,328.29 and 740,301.48 is: 1,021,631.65
Step by Step Solution
- Step 1: Write the proportion equation
1,313,261.31 : 1,812,328.29 = 740,301.48 : x - Step 2: Convert to fraction form
1,313,261.31/1,812,328.29 = 740,301.48/x - Step 3: Cross multiply
1,313,261.31x = 1,812,328.29 × 740,301.48 - Step 4: Simplify right side
1,313,261.31x = 1,341,669,313,482.12 - Step 5: Solve for x
x = 1,341,669,313,482.12/1,313,261.31 - Step 6: Final answer
x = 1,021,631.65
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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.