Finding the Fourth Proportional to 1,036,707.01, 1,554,955.41 and 278,449.96
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Solution
The fourth proportional to 1,036,707.01, 1,554,955.41 and 278,449.96 is: 417,646.71
Step by Step Solution
- Step 1: Write the proportion equation
1,036,707.01 : 1,554,955.41 = 278,449.96 : x - Step 2: Convert to fraction form
1,036,707.01/1,554,955.41 = 278,449.96/x - Step 3: Cross multiply
1,036,707.01x = 1,554,955.41 × 278,449.96 - Step 4: Simplify right side
1,036,707.01x = 432,977,271,716.28 - Step 5: Solve for x
x = 432,977,271,716.28/1,036,707.01 - Step 6: Final answer
x = 417,646.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.