Finding the Fourth Proportional to 1,205,214.39, 1,807,926.66 and 395,355.99
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Solution
The fourth proportional to 1,205,214.39, 1,807,926.66 and 395,355.99 is: 593,068.45
Step by Step Solution
- Step 1: Write the proportion equation
1,205,214.39 : 1,807,926.66 = 395,355.99 : x - Step 2: Convert to fraction form
1,205,214.39/1,807,926.66 = 395,355.99/x - Step 3: Cross multiply
1,205,214.39x = 1,807,926.66 × 395,355.99 - Step 4: Simplify right side
1,205,214.39x = 714,774,634,511.69 - Step 5: Solve for x
x = 714,774,634,511.69/1,205,214.39 - Step 6: Final answer
x = 593,068.45
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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.