Finding the Fourth Proportional to 1,001,612.16, 1,382,299.68 and 619,860.96
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Solution
The fourth proportional to 1,001,612.16, 1,382,299.68 and 619,860.96 is: 855,454.48
Step by Step Solution
- Step 1: Write the proportion equation
1,001,612.16 : 1,382,299.68 = 619,860.96 : x - Step 2: Convert to fraction form
1,001,612.16/1,382,299.68 = 619,860.96/x - Step 3: Cross multiply
1,001,612.16x = 1,382,299.68 × 619,860.96 - Step 4: Simplify right side
1,001,612.16x = 856,833,606,652.49 - Step 5: Solve for x
x = 856,833,606,652.49/1,001,612.16 - Step 6: Final answer
x = 855,454.48
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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.