Finding the Fourth Proportional to 1,129,457.12, 1,694,858.86 and 409,854.96
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Solution
The fourth proportional to 1,129,457.12, 1,694,858.86 and 409,854.96 is: 615,026.73
Step by Step Solution
- Step 1: Write the proportion equation
1,129,457.12 : 1,694,858.86 = 409,854.96 : x - Step 2: Convert to fraction form
1,129,457.12/1,694,858.86 = 409,854.96/x - Step 3: Cross multiply
1,129,457.12x = 1,694,858.86 × 409,854.96 - Step 4: Simplify right side
1,129,457.12x = 694,646,312,458.82 - Step 5: Solve for x
x = 694,646,312,458.82/1,129,457.12 - Step 6: Final answer
x = 615,026.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.