Finding the Fourth Proportional to 1,224,209.16, 1,688,884.07 and 764,525.68
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Solution
The fourth proportional to 1,224,209.16, 1,688,884.07 and 764,525.68 is: 1,054,717.83
Step by Step Solution
- Step 1: Write the proportion equation
1,224,209.16 : 1,688,884.07 = 764,525.68 : x - Step 2: Convert to fraction form
1,224,209.16/1,688,884.07 = 764,525.68/x - Step 3: Cross multiply
1,224,209.16x = 1,688,884.07 × 764,525.68 - Step 4: Simplify right side
1,224,209.16x = 1,291,195,234,013.08 - Step 5: Solve for x
x = 1,291,195,234,013.08/1,224,209.16 - Step 6: Final answer
x = 1,054,717.83
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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.