Finding the Fourth Proportional to 1,036,629.23, 1,430,664.53 and 577,785.70
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Solution
The fourth proportional to 1,036,629.23, 1,430,664.53 and 577,785.70 is: 797,409.03
Step by Step Solution
- Step 1: Write the proportion equation
1,036,629.23 : 1,430,664.53 = 577,785.70 : x - Step 2: Convert to fraction form
1,036,629.23/1,430,664.53 = 577,785.70/x - Step 3: Cross multiply
1,036,629.23x = 1,430,664.53 × 577,785.70 - Step 4: Simplify right side
1,036,629.23x = 826,617,506,931.22 - Step 5: Solve for x
x = 826,617,506,931.22/1,036,629.23 - Step 6: Final answer
x = 797,409.03
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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.