Finding the Fourth Proportional to 1,313,263.12, 1,812,330.79 and 740,303.29
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Solution
The fourth proportional to 1,313,263.12, 1,812,330.79 and 740,303.29 is: 1,021,634.15
Step by Step Solution
- Step 1: Write the proportion equation
1,313,263.12 : 1,812,330.79 = 740,303.29 : x - Step 2: Convert to fraction form
1,313,263.12/1,812,330.79 = 740,303.29/x - Step 3: Cross multiply
1,313,263.12x = 1,812,330.79 × 740,303.29 - Step 4: Simplify right side
1,313,263.12x = 1,341,674,446,405.30 - Step 5: Solve for x
x = 1,341,674,446,405.30/1,313,263.12 - Step 6: Final answer
x = 1,021,634.15
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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.