Finding the Fourth Proportional to 1,326,718.84, 1,830,921.42 and 753,856.12
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Solution
The fourth proportional to 1,326,718.84, 1,830,921.42 and 753,856.12 is: 1,040,349.53
Step by Step Solution
- Step 1: Write the proportion equation
1,326,718.84 : 1,830,921.42 = 753,856.12 : x - Step 2: Convert to fraction form
1,326,718.84/1,830,921.42 = 753,856.12/x - Step 3: Cross multiply
1,326,718.84x = 1,830,921.42 × 753,856.12 - Step 4: Simplify right side
1,326,718.84x = 1,380,251,317,706.09 - Step 5: Solve for x
x = 1,380,251,317,706.09/1,326,718.84 - Step 6: Final answer
x = 1,040,349.53
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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.