Finding the Fourth Proportional to 1,039,845.12, 1,559,767.68 and 374,997.12
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Solution
The fourth proportional to 1,039,845.12, 1,559,767.68 and 374,997.12 is: 562,495.68
Step by Step Solution
- Step 1: Write the proportion equation
1,039,845.12 : 1,559,767.68 = 374,997.12 : x - Step 2: Convert to fraction form
1,039,845.12/1,559,767.68 = 374,997.12/x - Step 3: Cross multiply
1,039,845.12x = 1,559,767.68 × 374,997.12 - Step 4: Simplify right side
1,039,845.12x = 584,908,387,869.08 - Step 5: Solve for x
x = 584,908,387,869.08/1,039,845.12 - Step 6: Final answer
x = 562,495.68
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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.